HRs for ACL graft revision in alpine skiers, football and handball players evaluated in a multivariate Cox regression model adjusted for sports category, sex, graft type (bone patellar tendon bone (BPTB) and hamstring tendon (HT) grafts), age and time period for the primary ACL reconstruction
| ACLR variables no | Rev no | HR (95% CI) | Unadjusted p value | HR (95% CI) | Adjusted p value |
| Sport category | |||||
| Alpine skiing 2693 | 102 | 1 | 1 | ||
| Football 8498 | 425 | 1.3 (1.0 to 1.6) | 0.02 | 1.1 (0.9 to 1.3) | 0.6 |
| Handball 3010 | 184 | 1.6 (1.2 to 2.0) | < 0.001 | 1.1 (0.9 to 1.4) | 0.4 |
| Sex | |||||
| Men 7981 | 356 | 1 | 1 | ||
| Women 6220 | 355 | 1.3 (1.1 to 1.5) | 0.001 | 1.1 (0.9 to 1.2) | 0.6 |
| Graft type | |||||
| BPTB 5048 | 135 | 1 | 1 | ||
| HT 8987 | 573 | 2.0 (1.6 to 2.4) | < 0.001 | 1.8 (1.5 to 2.2) | < 0.001 |
| Age (years) at ACLR | |||||
| ≤18 3868 | 320 | 1 | 1 | ||
| 19–24 3343 | 212 | 0.8 (0.6 to 0.9) | 0.002 | 0.8 (0.6 to 0.9) | 0.002 |
| 25–34 3688 | 120 | 0.4 (0.3 to 0.5) | <0.001 | 0.4 (0.3 to 0.5) | < 0.001 |
| ≥35 3302 | 59 | 0.2 (0.2 to 0.3) | <0.001 | 0.2 (0.2 to 0.3) | < 0.001 |
| Time period at ACLR | |||||
| 2004–2007 3517 | 218 | 1 | 1 | ||
| 2008–2010 3508 | 225 | 1.2 (1.0 to 1.4) | 0.10 | 1.1 (0.9 to 1.3) | 0.4 |
| 2011–2013 3641 | 225 | 1.5 (1.2 to 1.8) | < 0.001 | 1.4 (1.1 to 1.7) | 0.001 |
| 2014–2016 3535 | 43 | 0.8 (0.6 to 1.1) | 0.18 | 0.9 (0.6 to 1.2) | 0.4 |
Each variable is adjusted for the four others.
Significant values are in bold.
ACLR, primary ACL reconstruction; Rev, ACL graft revision.