Table 2.
Description of baseline cohort
| Cohort (n = 17,682) | ||
|---|---|---|
| % | N | |
| Patient sex | ||
| Male | 56.6 | 10,013 |
| Female | 43.4 | 7669 |
| Age at index ACL reconstruction | ||
| 13–15 years | 7.4 | 1300 |
| 16–20 years | 28.7 | 5075 |
| 21–25 years | 20.7 | 3667 |
| 26–30 years | 14.2 | 2513 |
| 31–35 years | 10.0 | 1777 |
| 36–49 years | 18.9 | 3350 |
| Concomitant MCL injury at index surgery | ||
| Yes | 2.4 | 425 |
| No | 97.6 | 17,257 |
| Concomitant LCL injury at index surgery | ||
| Yes | 0.6 | 100 |
| No | 99.4 | 17,582 |
| Meniscus injury present (medial and/or lateral) at index surgery | ||
| Yes | 43.8 | 7743 |
| No | 56.2 | 9939 |
| Cartilage injury present at index surgery | ||
| Yes | 26.0 | 4598 |
| No | 74.0 | 13,084 |
| Meniscus and/or cartilage injury at index surgery | ||
| Yes | 54.8 | 9685 |
| No | 45.2 | 7997 |
ACL anterior cruciate ligament, LCL lateral collateral ligament, MCL medial collateral ligament