Women’s elite football: overall, match and training IIRs (per 1000 hours of exposure) stratified by location of injury
| Description | Poisson regression meta-analysis | ||||||||
| Category | Injury definition | Anatomical location | Model | K | Summary incidence rate | 95% CI | χ 2 Wald | T2 | I2 |
| Overall | Time-loss | Head and neck | Random | 5 | 0.35 | 0.26 to 0.48 | 6.65 (p=0.16) | 0.031 | 26.46% |
| Overall | Time-loss | Upper limb | Random | 6 | 0.18 | 0.11 to 0.30 | 12.62 (p=0.027) | 0.193 | 55.69% |
| Overall | Time-loss | Trunk | Random | 5 | 0.35 | 0.22 to 0.55 | 9.40 (p=0.052) | 0.141 | 61.74% |
| Overall | Time-loss | Lower limb | Random | 6 | 4.54 | 3.97 to 5.19 | 27.30 (p<0.001) | 0.021 | 77.19% |
| Match | Time-loss | Head and neck | Fixed | 2 | 1.06 | 0.53 to 2.12 | 0.31 (p=0.58) | NA | NA |
| Match | Time-loss | Upper limb | Fixed | 3 | 0.25 | 0.09 to 0.67 | 0.09 (p=0.96) | NA | NA |
| Match | Time-loss | Trunk | Fixed | 2 | 0.66 | 0.28 to 1.59 | 0.01 (p=0.99) | NA | NA |
| Match | Time-loss | Lower limb | Fixed | 3 | 11.52 | 9.97 to 13.32 | 0.49 (p=0.78) | NA | NA |
| Training | Time-loss | Head and neck | Fixed | 2 | 0.17 | 0.08 to 0.36 | 0.69 (p=0.41) | NA | NA |
| Training | Time-loss | Upper limb | Fixed | 3 | 0.11 | 0.05 to 0.20 | 3.69 (p=0.16) | NA | NA |
| Training | Time-loss | Trunk | Fixed | 2 | 0.05 | 0.01 to 0.20 | 0.01 (p=0.99) | NA | NA |
| Training | Time-loss | Lower limb | Fixed | 3 | 2.33 | 2.03 to 2.68 | 1.44 (p=0.49) | NA | NA |
T2, tau-squared estimate (ie, the variance of true IIRs); I2, I2 statistic (ie, the proportion of observed variation that is attributable to true, between-study variation).
IIRs, injury incidence rates; NA, not available.