TABLE 4.
No. of ACL Tears | Game Injury Rate (Incidence Rate) per 1000 Plays | |||
---|---|---|---|---|
Plays | Rate | 95% CIb | ||
Overall | 199 | 257,334 | 0.77 | 0.67–0.89 |
Punt | 34 | 15,522 | 2.19 | 1.57–3.07 |
Kickoff | 16 | 16,506 | 0.97 | 0.59–1.58 |
Pass | 88 | 123,897 | 0.71 | 0.58–0.88 |
Run | 52 | 87,681 | 0.59 | 0.45–0.78 |
Extra point | 1 | 7402 | 0.14 | 0.02–0.96 |
Field goal | 1 | 6326 | 0.16 | 0.02–1.12 |
Unknown | 7 | — | — | — |
Dashes indicate that injury rates were not calculated for unknown injuries. ACL, anterior cruciate ligament; NFL, National Football League.
Poisson 95% CIs.