Your workers’ compensation costs went down. On the surface, that sounds like a success. But for most organizations, that’s where the analysis stops. Leadership sees improvement, assumes the program is working, and moves on to the next priority. The problem is simple: if you don’t understand what caused the improvement, you can’t repeat it. And if you can’t repeat it, the results won’t last.
The Two Drivers Behind Every Outcome
Every change in workers’ compensation cost can be traced back to just two factors: the number of claims and the cost per claim. These are often referred to as frequency and severity. Everything else—safety programs, return-to-work efforts, reporting processes—feeds into one of these two drivers. When costs go down, something changed in one of those areas. The key is identifying which one.
Instead of looking at total incurred losses, which fluctuate with company growth, cost per FTE normalizes the data. It allows you to compare performance year over year, regardless of how many employees you have. Once you confirm that cost per FTE has improved, you know the change is real. But you still don’t know why it happened.
Identifying the Lever That Moved
The next step is to determine whether the improvement came from fewer claims or lower-cost claims.
If your claims rate stayed the same while your average cost per claim dropped, the improvement came from better injury management. If your claims rate decreased while costs per claim remained steady, your safety initiatives drove the result. This distinction is critical. It tells you where your program is actually working—and where it isn’t.
Drilling Down to the Real Cause
Once you isolate the lever, the next step is to go deeper.
If severity improved, you need to understand what changed operationally. Did lag time decrease? Did employees return to work faster? Were fewer claims litigated? Did large-loss claims become less frequent? Each of these factors influences cost per claim. By tracking them over time, you can connect outcomes to specific actions. Without this step, organizations fall into a common trap. They assume everything they implemented contributed equally. In reality, one or two changes likely drove the majority of the result.
Turning Insight Into Strategy
Understanding the cause of improvement changes how you manage the program moving forward. Instead of guessing what to do next, you can double down on what’s working. You can replicate successful processes across locations. You can train underperforming teams using proven methods. Most importantly, you can explain your results clearly to leadership. That builds confidence, and confidence leads to support.
The Difference Between Luck and Control
When organizations can’t explain their results, improvement becomes unpredictable. Costs go down one year and rise the next, with no clear reason why. That’s not a strategy. That’s luck. When you consistently analyze results through the lens of frequency and severity, you move from reacting to outcomes to controlling them.
By breaking your results down into frequency, severity, and their underlying drivers, you create clarity. And with clarity comes control. That’s how successful workers’ compensation programs turn short-term wins into long-term performance.
Michael Stack, CEO of Amaxx LLC, is an expert in workers’ compensation cost containment systems and provides education, training, and consulting to help employers reduce their workers’ compensation costs by 20% to 50%. He is co-author of the #1 selling comprehensive training guide “Your Ultimate Guide to Mastering Workers’ Comp Costs: Reduce Costs 20% to 50%.” Stack is the creator of Injury Management Results (IMR) software and founder of Amaxx Workers’ Comp Training Center. WC Mastery Training teaching injury management best practices such as return to work, communication, claims best practices, medical management, and working with vendors. IMR software simplifies the implementation of these best practices for employers and ties results to a Critical Metrics Dashboard.
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Michael Stack, CEO of Amaxx LLC, is an expert in workers’ compensation cost containment systems and provides education, training, and consulting to help employers reduce their workers’ compensation costs by 20% to 50%. He is co-author of the #1 selling comprehensive training guide “Your Ultimate Guide to Mastering Workers’ Comp Costs: Reduce Costs 20% to 50%.” Stack is the creator of Injury Management Results (IMR) software and founder of Amaxx Workers’ Comp Training Center. WC Mastery Training teaching injury management best practices such as return to work, communication, claims best practices, medical management, and working with vendors. IMR software simplifies the implementation of these best practices for employers and ties results to a Critical Metrics Dashboard.
