Comparison of the intervention and control group
| Intervention group | Control group | |
|---|---|---|
| Injuries | 207 | 220 |
| Injured players (%) | 60.5 | 59.7 |
| Injury occurrence: match/training (%) | 65.4/34.6 (n=191) | 69.6/30.4 (n=194) |
| Hours of exposure (median, IQR) | 103.4, 31.4 | 104.3, 35.0 |
| Total injury incidence (95% CI) | 9.6 (8.4 to 11.0) | 9.7 (8.5 to 11.1) |
| Match injury incidence (95% CI) | 21.1 (17.8 to 25.0) | 22.7 (19.3 to 26.7) |
| Practice injury incidence (95% CI) | 3.7 (2.8 to 4.8) | 3.1 (2.3 to 4.0) |
| Days of sports absenteeism (median, IQR) | 14, 28.5 (n=204) | 17, 30 (n=211) |
| Injury severity (%): | (n=205) | (n=214) |
| Slight (0 days) | 0 | 0.5 |
| Minimal (1–3 days) | 5.9 | 5.1 |
| Mild (4–7 days) | 18.5 | 21.5 |
| Moderate (8–28 days) | 46.3 | 41.6 |
| Severe (>28 days) | 28.8 | 29.9 |
| Career ending | 0.5 | 1.4 |
| Injury mechanism: acute/overuse (%) | 78.9/21.1 (n=199) | 82.7/17.3 (n=197) |
| Recurrent injury (%) | 13.0 (n=193) | 14.1 (n=193) |
| Injury location (%) (top 5) | (n=206)1. Ankle: 21.8 2. Upper leg (posterior): 18.4 3. Knee: 11.7* 4. Groin: 9.7 5. Upper leg (anterior): 8.3 6. Other: 30.1 | (n=202)1. Knee: 19.8* 2. Ankle: 16.3 3. Upper leg (posterior): 13.4 4. Upper leg (anterior): 12.9 5. Groin: 11.4 6. Other: 26.2 |
IQR, interquartile range; CI, confidence interval.
*Significantly different between the intervention and control group.