TABLE 4.
ACL Tears by Month Between 2013 and 2020 (n = 375) a
| Month | ACL tears, n (%) | No. of Games, 2013-2020 | No. of 1000 AEs (% of total AEs) | Tears per 1000 AEs |
|---|---|---|---|---|
| August | 125 (33.3) | 421 | 1,174,080 (24.1) | 0.106 × 10-3 |
| September | 47 (12.5) | 474 | 826,432 (16.9) | 0.057 × 10-3 |
| October | 66 (17.6) | 495 | 839,520 (17.2) | 0.079 × 10-3 |
| November | 37 (9.9) | 495 | 839,520 (17.2) | 0.044 × 10-3 |
| December | 36 (9.6) | 568 | 963,328 (19.8) | 0.037 × 10-3 |
| January b,c | 10 (2.7) | 130 | 220,480 (4.5) | 0.045 × 10-3 |
| February b | 1 (0.3) | 8 | 13,568 (0.3) | 0.073 × 10-3 |
| March | 0 (0) | 0 | 0 | - |
| April | 1 (0.3) | 0 | 0 | - |
| May | 16 (4.3) | 0 | 0 | - |
| June | 13 (3.5) | 0 | 0 | - |
| July | 23 (6.1) | 0 | 0 | - |
a For 4 tears, the exact month of injury was unable to be confirmed; therefore, the total is 375. ACL, anterior cruciate ligament; AE, athlete-exposure.
b Playoff period.
c Of the 130 January games, 82 were playoff games (16 January games in each year 2015, 2016, 2020 were part of the regular season).