Table 2 Distribution and characteristics of non-contact lower extremity injuries during the study period.
Injury Characteristics | n (%) | Days Lost | Incidence Rate* | 95% CI |
|---|---|---|---|---|
Injury Type | ||||
Hamstring strain | 48 (37.8) | 1,124 | 1.82 | 1.34–2.30 |
Quadriceps strain | 23 (18.1) | 476 | 0.87 | 0.52–1.22 |
Ankle ligament | 19 (15.0) | 523 | 0.72 | 0.40–1.04 |
Groin/adductor strain | 16 (12.6) | 312 | 0.61 | 0.31–0.91 |
Calf strain | 11 (8.7) | 187 | 0.42 | 0.17–0.67 |
Other | 10 (7.9) | 225 | 0.38 | 0.14–0.62 |
Injury Severity | ||||
Minimal (1–3 days) | 17 (13.4) | 34 | 0.64 | 0.34–0.94 |
Mild (4–7 days) | 25 (19.7) | 137 | 0.95 | 0.58–1.32 |
Moderate (8–28 days) | 57 (44.9) | 864 | 2.16 | 1.60–2.72 |
Severe (> 28 days) | 28 (22.0) | 1,812 | 1.06 | 0.67–1.45 |
Anatomical Location | ||||
Posterior thigh | 52 (40.9) | 1,287 | 1.97 | 1.43–2.51 |
Anterior thigh | 27 (21.3) | 543 | 1.02 | 0.64–1.40 |
Hip/groin | 19 (15.0) | 398 | 0.72 | 0.40–1.04 |
Lower leg | 18 (14.2) | 342 | 0.68 | 0.37–0.99 |
Ankle/foot | 11 (8.7) | 277 | 0.42 | 0.17–0.67 |
Injury Timing | ||||
Pre-season | 31 (24.4) | 712 | 7.24 | 4.71–9.77 |
Early season (Aug-Nov) | 38 (29.9) | 798 | 4.32 | 2.96–5.68 |
Mid-season (Dec-Feb) | 42 (33.1) | 967 | 6.81 | 4.77–8.85 |
Late season (Mar-May) | 16 (12.6) | 370 | 3.14 | 1.60–4.68 |
Activity at Injury | ||||
High-speed running | 54 (42.5) | 1,342 | 2.05 | 1.50–2.60 |
Acceleration/deceleration | 36 (28.3) | 743 | 1.36 | 0.91–1.81 |
Change of direction | 24 (18.9) | 512 | 0.91 | 0.55–1.27 |
Jumping/landing | 8 (6.3) | 168 | 0.30 | 0.09–0.51 |
Other | 5 (3.9) | 82 | 0.19 | 0.02–0.36 |
Injury Status | ||||
Index injury | 96 (75.6) | 2,087 | 3.64 | 2.92–4.36 |
Recurrent injury | 31 (24.4) | 760 | 1.17 | 0.76–1.58 |
