Table 5.
Injury Incidence per 1,000 Player Exposures by Anatomic Zone in the Entire Season (2020 Versus 2021)
| Anatomic Zone | Incidence per 1,000 Exposures in 2020 | Incidence per 1,000 Exposures in 2021 | IRR (95% CI) | P Value | 
|---|---|---|---|---|
| Overall | 21.64 | 28.70 | 1.33 (1.19-1.47) | <.001 | 
| Lower extremity | 13.47 | 18.84 | 1.40 (1.23-1.59) | <.001 | 
| Spine/Core | 1.79 | 2.47 | 1.38 (0.96-1.98) | .077 | 
| Upper extremity | 2.77 | 3.83 | 1.38 (1.04-1.85) | .027 | 
| Head | 2.03 | 3.07 | 1.51 (1.08-2.10) | .015 | 
IRR, incidence rate ratio