6. Calculate Injury/Illness Rates. For the purpose of this policy, impairment plus a loss of earning capacity refers to disability in pre-1990 claims. Excludes claims from people who passed away while in receipt of 100% permanent disability (PD) benefits granted under a pre-1990 legislative. In many countries, the figure is typically calculated per million hours worked. 11 Lost-time. The first step in benchmarking is to calculate the incidence rates for your organization. Occupational fatality rate per 100,000 workers. This figure was determined by multiplying 100 employees by 40 hours (a. a permanent disability/impairment. LTIFR calculation formula. 12/08/2023 . You need to pinpoint the root cause of the problem. To calculate the incidence rate, we use this incidence rate calculator: Total number of new cases = 1; and. Accident frequency rate can be calculated by these two formula: - a. 31 compared to 1. EMR Safety Rating Calculation: Explained. Recordable Incidents x 200,000. Lost Time Case Rate (LTC) Multiply the number of incidents that were lost time cases by 200,000 and then divide that number by the employee labor hours of your company. The formulae used to calculate the incidence estimate and rate of over 3-day absence injury relating to individuals working in the last 12 months for overall and individual characteristics such as age and sex are given by: Incidence of over-3-day absence injury. Identify the total number of recordable cases within a specific time period. As you can see from the above formula and calculation, a low severity. To calculate your LTIFR, simply plug those numbers into your formula: (6 x 1,000,000) / 2,500,000. 5% from 2021 The formulae used to calculate the various measures of working days lost are given by: Estimated annual full-day equivalent working days lost. The Lost Time incident Rate of a company delivers laborers, insurers, and stakeholders an indication of how safety the company’s methods are. The Lost Time Injury Rate (LTIR) calculates the number of work-related injuries resulting in lost workdays per 100 full-time employees. Lost-time claim. The lost time injury rate (LTIR) is calculated using a simple formula, where the total number of lost time injuries in a given period is divided by the total number of hours worked in that period and then multiplied by 200,000. 8) • Loss Rate = 0. Suppose you had three recordable incidents during the year. Multiplying the number makes it easier to interpret. This is how you would calculate it: (3645 days. It is factored as: Number of cases x 200,000 (100 man years) divided by the man-hours worked. No lost work time resulted from this injury because the employee was already retired. Incident rates are a metric used to compare your company’s safety performance against a national or state average. 93 Based on 5 lost-time injuries for 111,935 hours of exposure, this company would experience 8. LTIFR calculation formula. 4 lost time injuries for every one million man-hours worked. 3 per 100,000 workers The OSHA Total Case Rate (or Total Recordable Injury Rate) is calculated by multiplying the number of OSHA recordable cases by 200,000, and then dividing that number by the number of employee labor hours at the company. This formula helps quantify the rate of lost time incidents per 200,000 hours worked, providing a standardized measure to compare safety performance across different time. S. Unlike the Total Case Incident Rate, the DART rate only takes into account the most serious incidents. To calculate an organization’s DART incident rate, simply add up the number of recordable injuries or illnesses which led to days away, restricted, or transferred and multiply it by 200,000. 1904. If a company had 5 recordable injuries in a year, and the total number of hours worked by all employees during the year was 500,000: OSHA Incident Rate = (5 × 200,000/500,000) = 2. More calculator widgets Knowledge base. The total recordable incident rate (TRIR) looks at all recordable accidents and normalizes the rate to 100 full time employees. 12). Here's how this formula works: TRIR Rate =. I'm trying to do a 12-month trailing (rolling) calculation of LTIF (Lost Time Incident Frequency) for my report. Analyzed in detail as below. This results in a lost-time injury incident rate of 12 injuries per 200,000 hours worked. Publication Date: 2016 Asset type: Calculator. This number equates to 100 employees, who work 40 hours per week, and who work 50 weeks per year. For example, if you had 1 recordable incident out of 10,000 hours worked in a year. It could be as little as one day or shift. 6 fatalities per 100,000 full-time equivalent (FTE) workers, up from 3. The formula is as follows: ( [Number of lost time injuries in the reporting. 8 billion, including the value of time lost by workers other than those with disabling injuries. Let’s run through a hypothetical numerical example of how this works. 125, Moderate; 🔺 >4. The actual number of lost work days times 200,000 (a standardized estimate of the hours worked by 100 employees) divided by the actual, total number of hours worked by all employees results in the severity rate. An LTIFR of 7, for example, shows that 7 lost time injuries occur on. Accident at workplaces can result injuries, loss of life and properties damage. The DART rate. The basic formula is (N x 200,000)/EH, or the number of cases (N) multiplied by 200,000 then. 08 employees were involved in a recordable injury or illness. LTISR means lost time incident severity rate = (days lost because of lost time injuries) x 1,000,000 / worked hours)In 2020, the TRIR at the Caylloma Mine was 5. Reference period and periodicity 18 8. Select Industry. Use online with desktop computers, tablets, and smartphones. Lost Time Injury rate follows a simple formula to indicate your performance. Cases that involve only temporary transfers to another job or restricted work are not included. Publication Date: 2016 Asset type: Calculator. The calculated TRIR represents the number of recordable cases per 100 full-time equivalent employees. Explain : Lost Time Injury Frequency Rate (LTIFR)When assessing safety performance, one of the most important KPIs to track is lost time injury frequency rat. LTIFR = 2. The 200,000 is the product of the total hours 100 employees would work in 50 weeks based on a 40-hour work week. As an example, if your employee could work 37 hours per week and they miss 7 hours of work, the sum would be: 7 ÷ 37 x 100 = 18. (Number of lost time cases x 200,000) / total number of hours worked by employees. 16 (construction average is 1. Step 1: Identify the problem. TABLE 1. . 5. When it comes to LTIs, instead of looking to a lost time injury rate, it’s common to calculate a lost time injury frequency rate (LTIFR). 7) and Star Entertainment Group (22. of hours worked (since the last injury) *Loss time injury = Any work related injury or illness which prevents that person from doing any work day after accident. Recordable Incidents x 200,000. How to Calculate Lost Time Incident Rate. Lost Time Injury rate follows a simple formula to indicate your performance. The standard base rate of calculation is based on a rate of 200,000 labor hours. How do you calculate the OSHA Lost time Incident rate? Divide your total number of lost time injuries (in a given time period) by the total number of hours worked (in that period). 8 million injury and illness cases in 2022, up 7. The 200,000 is the benchmark established by OSHA because it represents the total number of hours 100 employees would log in 50 weeks based on a 40-hour work week. Now that you’ve successfully calculated your LTIFR, you can use that data to benchmark performance and. 4 lost time injuries for every one million man-hours worked. (The hours are derived from the fact that 1 employee works 2000 hours per year, thus 100 employees work 200 000 per year). 4. LTIFR = 2. Accident Severity Rate Formula. Please visit the website and fill out the short online questionnaire. The method for calculating the LTIFR is: the number of lost time injuries in an accounting period, divided by the total number of hours worked in the same period, multiplied by one million. 25 Mar 2021 Announcements. Click the “Calculate” button to obtain the Lost Time Incident Rate. They want to calculate the Severity Rate to assess the seriousness of these incidents. The Safety Geek · August 19, 2020. An incident rate calculates the number of recordable incidents per hour worked. The LTIFR is the average number of lost-time injuries in each industry in Australia in each year, regardless of. The Osha Lost Time Incident Rate Calculator computes the Lost Time Incident Rate (LTIR) using the formula: (Number of Lost Time Incidents * 200,000) /. A good TRIR is less than 3. The human attention span has been dwindling since the mass-adoption of the Internet. The basic formula is (N x 200,000)/EH, or the number of cases (N) multiplied by 200,000 then divided by the number of hours worked (EH) by all employees during the time period, where 200,000 is the base for 100 full-time workers (working 40 hours per week. So say this mythical business had 791 employees, we. TRIR serves as a retrospective gauge often utilized to quantify a company's safety record, and its computation can be achieved through the formula provided or by utilizing the TRIR calculator furnished below. While the Incident Rate is the number of injuries per 100,000 employees and is calculated in this manner. Enter the number of injuries (leave blank to use default of one). Lost time injury incidence rate (LTIIR) refers to the number of lost time injuries relative to the number of employees calculated over a specified time period. of loss time injuries X 1,000,000) / No. All 3 types of injuries declined from 2019. The formula gives a picture of how safe a workplace is for its workers. This varies as follows:1. 34. 30/09/2023 . No lost work time resulted from this injury because the employee was already retired. Health and Safety KPIs: Lost Time Injury Incidence Rate. 5 will have had a recordable injury or illness. 6: 1. LTIFR will typically be calculated for a specific workplace or project, but it can also be expanded to measure safety in specific regions or industries as well. Here’s an example. 2. 5 per 100,000 workers (610 major injuries) in 2021 to 17. TABLE 1. A "lost time" claim is created when a worker suffers a work-related injury/disease which results in: being off work past the day of accident. Health, Securing, Security and Environment. Now, to calculate the LTIIR (Lost Time Injury Incidence Rate) which is the number of LTIs per 100 (or whatever figure you want) employees we just substitute the number of employees for the number of hours and multiply the number of LTIs by the standardizing factor which is 100. It’s a critical metric for measuring the severity of injuries and their impact on productivity. Multiply the results by 200,000 (this is the generally accepted baseline of LTI established by OSHA; it represents 100 employees working 50 weeks or. The calculation of a business’s lost time injury frequency rate (LTIFR) is done by multiplying the total number of LTIs by one million and then dividing the resulting number by the total number of hours worked during the reporting period. Lost time injury frequency rate calculator (LTIFR) Key Statistics. 51) 4. 07-18-2019 11:27 PM. The first step in benchmarking is to calculate the incidence rates for your organization. The formula for calculating lost time injury frequency rate is the number of lost time injuries multiplied by 1,000,000, divided by the employee total hours worked. This is part of a slow downward trend in response rates: in January to March 2011, the response rate was 50%. Sebagian dari Anda mungkin pernah mendengar dengan istilah Frequency Rate, Severity Rate, Incident Rate, Average time lost injury (ATLR), Lost. To find the company's DART rate, divide the total incidents (20) by the total number of hours worked (500,000) and multiply it by the OSHA standard number of hours (200,000). The Lost time injury frequency rate (LTIFR) calculator is a data tool maintained by Safe Work Australia that can help you compare one aspect of the work health and safety performance of your organisation against industry benchmarks. 2. 23/09/2023 . An LTIFR of 7, for example, shows that 7 lost time injuries occur on. Besides, LTIR is one of the metrics that must be reported to. The standard base rate of calculation is based on a rate of 200,000 labor hours. 3), Qantas (24. Number of days lost due to injury/illness (annually) x 200,000 /. Notes: 1. Explain : Lost Time Injury Frequency Rate (LTIFR)When assessing safety performance, one of the most important KPIs to track is lost time injury frequency rat. Quantity of manhours worked: 365 (# of days) * 12 ( hr/day) * 40 ( employees + contractors) = 175200 manhours. Feedback can also be emailed to [email protected]+ Short Workplace Safety Topics from [A-Z] – Free Download. As an example, 'X' Construction Company might have 10 reported injuries over the course of 1,000,000 hours worked. "Incidence rates" are the number of injuries in a category times 200,000 divided by the number of employee-hours worked. 2. Safety Incident-Injury Rate Calculator & Graphing Tool. How to calculate lost time injury frequency rate (LTIFR) To calculate the lost time injury frequency rate (LTIFR), you’ll need to gather some information about your. This translates to a workplace fatal injury rate of 0. So, a company with 85 lost work days over 750,000 hours worked would have a severity rate of 22. Now that you’ve successfully calculated your LTIFR, you can use that data to benchmark performance and. 4. 16 (construction average is 1. Learn more about how to calculate Lost Time Injury and the significance by measuring this metrics. Here’s how to do it: Step 1: Determine the number of LTIs that have occurred during a specific time period. 1904. It estimated that incidents resulting in at least one shift of time lost cost businesses $3. 25 Mar 2021 Announcements. Business Leaders’ Health & Safety Forum: enchmarking eport 2. Research suggests that there are predictable ratios or 'accident triangles' which describe the relationship between lost time injury rates and the incidence of events such as minor injuries and non-injury accidents 3. 5. How to calculate lost time incident rate. And unlike the lost time injury frequency rate (LTIFR), it includes any injury that has affected the normal course of your operations even if the affected employee has not ceased working. The LTIFR is the average number of lost-time injuries in each industry in Australia in each year, regardless of. The formula to use: (Number of lost time cases x 200,000)/total number of hours worked by employees The figure. Formula number of OSHA recordable cases x 200K / Manhours. Notes: 1. The injury severity rate represents the number of lost work days experienced per 100 workers. address, fatality rate, severity rate, incident rate, frequency rate, signature of employer, title, and date. HSSE WORLD. The Osha Lost Time Incident Rate Calculator computes the Lost Time Incident Rate (LTIR) using the formula: (Number of Lost Time Incidents * 200,000) / Total Hours Worked. 4, which means there were 2. gov. of Lost Time Incidents = 2 No. The total number of LTIs in a given time period is divided by the total number of hours worked in that same period and then multiplied by 200,000 to get the lost time injury incident rate. To calculate your lost time incident rate, follow this simple formula: Divide your total number of lost time injuries (in a given time period) by the total number of hours worked (in that period). We’ve got you covered. How to calculate lost time incident rate. Total population at risk = 50,000. 43) 28,155 (1. What formula can be used to calculate the amount of lost work hours? The lost time rate calculates the. 0000175. LTIFR = (14 / 800,000) = 0. Lost Time Injury Frequency Rate: the number of lost time injuries that occurred during the reporting period. Please visit the website and fill out the short online questionnaire. 00Using this TRIFR calculation formula, the result is the total recordable injury frequency rate. Most companies choose to calculate LTIFR per 1 million man hours worked. 4 lost time injuries for every one million man-hours worked. Now, you are probably wondering what makes a strong TRIR. In recent years however, the increasing need to compare performance between organisations has seen these measures fall out of favour, as they suffer from two signifi cant limitations: 1. So let’s. au. LTIFR or the lost time injury frequency rate is a safety measure which refers to the number of lost time injuries occurring per 1 million hours worked. Number of Lost Time Cases x 200,000. Total number of LTIs in the health sector = Total number of "Allowed Lost Time Claims" for rate groups 851 (homes for nursing care), 852 (homes for residential care), 853 (hospitals. As measurements of past performance orlagging indicators, they are very useful in assessing your current safety system. Lost time injury incidence rate (LTIIR) refers to the number of lost time injuries relative to the number of employees calculated over a specified time period. Suppose you had three recordable incidents during the year. compared to 37 fatalities in 2021, of which six were WRTA cases. In the past year, our consolidated health and safety performance in terms of total recordable incident rate and lost time incident rate increased due to a higher than normal turnover of personnel as a result the COVID-19 pandemic. Contents OSHA Recordable Incident Rate by IndustryUnderstanding Total Recordable Incident RatesThe Basics of TRIR CalculationHow to Calculate OSHA Recordable Incident RateOSHA DART Calculator BasicsDART Rate CalculationsUnderstanding the Lost Time Incident Rate CalculationCalculating the Lost. Health, Safety, Security or Environment. Tracking certain safety metrics like Total Recordable Incident Rate (TRIR), Days Away, Restricted & Transfer Rate (DART), Lost Time Incident Rate (LTIR), Injury Severity Rates, First Aid Cases and Near Misses is a universal activity that nearly every company in every industry participates into some extent. Pros: Helps normalize for the actual hours worked and particularly helpful for larger organizations (calibrating to 1 million hours is approximately 500 full time persons over a year). We would like to show you a description here but the site won’t allow us. 4. 9 in. 4. 4, which means there were 2. 44 2021 2022 ADT - Commercial - Total Recordable Incident Rate (TRIR) 2021-2022 1. View Online. 68 as compared to 4. LTIFR = (14 / 800,000) x 200,000 = 3. The Lost Moment incident Rate of one company giving employees, insurers, and stakeholders an indication of how safe the company’s practices are. Lost Time Injury Frequency Rate (LTIFR):Lost Time Injury Frequency Rate reflections by the late George Robotham – More Pearls of Wisdom Here The Lost Time Injury Frequency Rate is the principal measure of safety performance in many companies in Australia. 6. 3. The severity rate for this company would equal 1 days per incident - so on average, each incident results in one day off work. 4. 4. Actual Rate, found by adding the Actual Primary Loss (E) to the Actual Excess Loss (F) and multiplying by the Expected Excess Loss (H). Go Back To Homepage. If you multiply 3 times the 200,000 figure, you get 600,000. com The lost time injury severity rate calculation is: Total number of lost workdays/Total number of OSHA recordable incidents. The figure 200,000 is a standard number to measure incident rates so companies of varying sizes can be compared fairly. Left unchecked, a high lost time injury. Here's how this formula works: TRIR Rate =. Measuring your LTIFR is actually easier than you think. No adjustments are made for holiday, maternity, paternity, sickness or overtime. Calculation: (Number of days lost / number of hours worked) x 200,000 200,000 hours is used internationally as a normalising denominator. And voila! Your company’s LTIFR is 2. TRIR = 2. 5 per 100 workers, compared with Ontario’s, which over the last four years has been below 1. 5 Repmtable Disabling Injury ( Reportable Lost Time Injury ) - An injury causing death or disablement to an extent as prescribed by the relevant statute. Year at a Glance – Canadian Workers’ Compensation System. Pros: Helps normalize for the actual hours worked and particularly helpful for larger. The U. The Lost time injury frequency rate ( LTIFR) calculator is a data tool that helps you compare one aspect of the work health and safety performance of your organisation against industry benchmarks. Again, this is what’s most commonly used in Australia. Sources of data 23 11. 40 2021 2022 ADT Consumer Small Business - Lost Time Incident Rate (LTIR) 2021-2022 0. LTIFR calculation = (Number of lost time injuries x 1,000,000) / Total hours worked. Non-fatal accidents rate in EU countries and Japan (2011-2020) Fatal accidents rate in EU countries and Japan (2011-2020) Statistics on safety and health at work in ILOSTAT. As measurements of past performance orlagging indicators, they are very useful in assessing your current safety system. 5. Our scoreboards include: • Safety first • ___ Days Without. 125, High; Too much work? Discover your work-life balance and organize your work time more efficiently with the time card calculator. Determine the number of work hours for the same period. Set a date to review the new plan, introduce it and collect feedback for people at all levels of implementation. Using a one-stop safety rate calculator that includes lost. The absent day does not include the day during which the accident. 95 2. 44 15. There was a total of 37,024 injuries (disabling injuries, fatal injuries and minor injuries) reported in 2020, 21. 0 billion. And voila! Your company’s LTIFR is 2. The LTISR at the Caylloma Mine was 35. Lost time injuries; Restricted work injuries; Medical treatment injuries; If you calculate each of these categories individually, then you can roll them into the AIFR rate to calculate that all injury frequency rate. TRIR = Number of incidents x 200,000 / total number of employee hours worked in a year. The severity rate for this company would equal 1 days per incident - so on average, each incident results in one day off work. We distinguish three different DART rate levels: 💚 0-1. It is sometimes also referred to as the lost time injury rate (LTIR). As the name implies, the injury severity rate attempts to measure how critical the injuries and illnesses experienced by a certain group of employees (in a given workplace or across an entire industry) by using the number of days lost as a. Lost Time Injury rate follows a simple formula to indicate your performance. 22 1. A total 92 responses were received from organisations employing 2,386 full-time equivalent (FTE) positions (37. The LWD rate is calculated by multiplying the total number of lost work days for the year by 200,000, then dividing that number by the number of employee labor hours at the company. To calculate an organization’s DART incident rate, simply add up the number of recordable injuries or illnesses which led to days away, restricted, or transferred and multiply it by 200,000. 0% is considered good)Medical treatment injury frequency rate is simply the rate at which medical treatment injuries have occurred over a specific period of time, usually standardised into MTI per million hours worked or per 100 full-time workers during a one year period. Select "Add/Calculate" to compute the total direct and indirect costs. 24. 5% from 1. In our example of a worker dropping tools from a height, your first. Using the formula, the LTIR would be calculated as follows: LTIR = (5 / 250,000) * 200,000 = 4. · Day 1 for DART days is always the day after the injury or illness. Safety / Injury Injury resulting in a Recordable, Lost Time Accident or Fatality; or Hospital admission of anyone on or off site; OR 2. In this. The more labor hours a company has, the more accurate. Total number of hours worked by all employees. For every 100 employees at this company, 14. Total recordable injuries rate (TRIR) The number of recordable injuries (including fatalities and LTIs) per million hours worked. The Recordkeeping Regulations, §1904. HSE: LTIF or LTIFR refers to Lost Time Injury Frequency Rate, the number of lost time injuries occurring in a workplace per 1 million man-hours worked. Some people confuse this formula with the formula for lost time injuries, but the total recordable injury frequency rate includes all injuries requiring medical treatment from a medical professional - which in theory means that it will be a larger number. 6 incidents occurred for every million man. These indicators serve to accurately and reliably measure the progress made regarding the prevention of personnel injury. The Lost time injury frequency rate (LTIFR) calculator is a data tool that helps you compare one aspect of the work health and safety performance of your organisation against industry benchmarks. Note: 200,000 hours represents the equivalent of 100 full time employees working 1 full year. A good TRIR is less than 3. This would return an annualized rate for 100 FTE comparable to national rates. Description: This calculation provides a percentage of hours lost compared to hours worked. The severity rate for this company would equal 1 days per incident - so on average, each incident results in one day off work. Lost Days - Lost Days defines the umber of days lost due to injury occurred. 7 (a) Basic requirement. The formula is given as: (Number of lost-time injuries in the accounting period x 1,000,000) / (Total hours worked in the accounting period) To make it. How do you calculate lost time accident? How to Calculate Lost Time Injury Rate. number of lost time cases x 200K / Manhours. Calculating Your Company's LTIFR. The average lost-time injury rate for Canada in 2015 was 1. If you want to know how to calculate your DART rate, it’s actually a remarkably simple bit of mathematics. The DART rate would be (22÷ 645,089) x (200,000) = 6. As you can see, there are just three parts of the LTIFR formula, two of which need to be reconciled on your end, and then the 1,000,000 figure which. 5 Repmtable Disabling Injury ( Reportable Lost Time Injury ) - An injury causing death or disablement to an extent as prescribed by the relevant statute. Thus, it experienced a rate of 7. The rate calculated above is the number of workers who lost. 875, Low; 🔶 1. Both the lost time injury frequency rate and the lost time injury severity rate have its significance. It is calculated by multiplying the number of recordable OSHA cases by 200,000 (the number of hours worked by 100 full-time employees for a year), then dividing the total by the number of employee labor hours worked. Divide the total number of lost time injuries in a certain time period by the total number of hours worked in that period, then multiply by 200,000 to get the LTIR. Lost Time Injuries 1. report their recordable incident rates, lost time rates and severity rates, so that they are comparable across any industry or group. This includes injuries resulting in fatality or permanent disability. Multiply the results by 200,000 (this is the generally accepted baseline of LTI established by OSHA; it represents 100 employees working 50 weeks or approximately. If you’re managing a team that is operating in a typically high-risk industry, it is key that you are aware of how your current safety process, as it stands, is impacting your business. Only those cases with a date of injury in the During. Lost-time injury frequency rate (LTIFR) industry benchmarks, 2018-19 to 2020-21p. For example, if you have 40 full-time employees and 3 incidents that resulted in lost time, your calculation would look like this: (3 x 200,000) / 80,000 (40 employees x 40 hours per week x 50 weeks per. The data reflects the average cost of lost time workers' compensation insurance claims derived from unit statistical reports submitted to NCCI for policy years 2015-2017. Check specific incident rates from the U. It could be as little as one day or shift. The formula for calculating lost time injury frequency rate is the number of lost time injuries multiplied by 1,000,000, divided by the employee total hours worked. To calculate lost time injury rate, there is a simple formula that can be used. It means that the incidence rate of new diagnoses of breast cancer in this population is 2 per 100,000 women per year. Besides, LTIR is one of the metrics that must be reported to. eac. Like the lost workday rate (LWDR), the LTIFR can be used to record the frequency of accidents on. This is a rate of Medical Treatment Cases per 100 employees. Accidents Every 10,000 Hours:. 1 in 2018, according to the Bureau of Labor Statistics. The formula for calculating your accident frequency rate is the number of reported accidents multiplied by 200,000, divided by the number of employee hours worked. No More Content. 4. The calculation formula itself isn't the issue, but I'm having trouble calculating the rolling value of 12 months. Note: The aforementioned formula applies for injuries and illnesses combined and for injuries only. The universal measure of Lost Time Injury Frequency Rate is generally calculated by finding the number of lost time injuries per million hours worked over a certain period (often a financial year). If a worker stepped on a nail and is given a tetanus shot to treat that injury (no lost time), is this a recordable case? ANSWER No, this is not a recordable case. They are highly sensitive. This comparison is a safety benchmark to gauge performance with other companies in the same business group, so you can make an “apples to apples” comparison. 1. ⏰ 2. Estimating working days lost due to work-related illness and workplace injury. The website delivers national work health and safety and workers’ compensation data in an intuitive, user-friendly way. The formula to use: (Number of lost time cases x 200,000)/total number of hours worked by employees.