Injury incidences in seasons 2001 (n = 263) and 2002 (n = 262)
| Training | Match play | Total | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2001 | 2002 | 2001 | 2002 | 2001 | 2002 | |||||||
| N | Incidence | N | Incidence | N | Incidence | N | Incidence | N | Incidence | N | Incidence | |
| Injury incidence is given with 95% confidence interval. Significant difference from the 2001 season is shown: *p<0.05; **p<0.01; ***p<0.001 (z-statistics). | ||||||||||||
| All injuries | 349 | 5.1 (4.6 to 5.6) | 352 | 5.3 (4.7 to 5.8) | 252 | 25.9 (22.8 to 29.2) | 236 | 22.7 (20.0 to 25.8) | 601 | 7.6 (7.1 to 8.3) | 588 | 7.6 (7.0 to 8.3) |
| Traumatic | 186 | 2.7 (2.3 to 3.1) | 193 | 2.9 (2.5 to 3.3) | 193 | 19.8 (17.2 to 22.8) | 163 | 15.7 (13.4 to 18.3)* | 379 | 4.8 (4.4 to 5.3) | 356 | 4.6 (4.2 to 5.1) |
| Overuse | 222 | 2.8 (2.5 to 3.2) | 232 | 3.0 (2.6 to 3.4) | ||||||||
| Early recurrent injuries | 95 | 1.4 (1.1 to 1.7) | 72 | 1.1 (0.9 to 1.4) | 38 | 3.9 (2.8 to 5.4) | 35 | 3.4 (2.4 to 4.7) | 133 | 1.7 (1.4 to 2.0) | 107 | 1.4 (1.1 to 1.7) |
| Injury severity | ||||||||||||
| Slight | 127 | 1.8 (1.6 to 2.2) | 133 | 2.0 (1.7 to 2.4) | 54 | 5.5 (4.2 to 7.2) | 80 | 7.7 (6.2 to 9.6) | 181 | 2.3 (2.0 to 2.7) | 213 | 2.8 (2.4 to 3.2) |
| Minor | 76 | 1.1 (0.9 to 1.4) | 83 | 1.2 (1.0 to 1.5) | 87 | 8.9 (8.9 to 7.2) | 82 | 7.9 (6.4 to 9.8) | 163 | 2.1 (1.8 to 2.4) | 165 | 2.1 (1.8 to 2.5) |
| Moderate | 113 | 1.6 (1.4 to 2.0) | 94 | 1.4 (1.1 to 1.7) | 84 | 8.6 (7.0 to 10.7) | 51 | 4.9 (3.7 to 6.5)** | 197 | 2.5 (2.2 to 2.9) | 145 | 1.9 (1.6 to 2.2)** |
| Major | 33 | 0.5 (0.3 to 0.7) | 42 | 0.6 (0.5 to 0.8) | 27 | 2.8 (1.9 to 4.0) | 23 | 2.2 (1.5 to 3.3) | 60 | 0.8 (0.6 to 1.0) | 65 | 0.8 (0.7 to 1.1) |
| Injury type/diagnosis | ||||||||||||
| Strain | 65 | 0.9 (0.7 to 1.2) | 79 | 1.2 (0.9 to 1.5) | 76 | 7.8 (6.2 to 9.8) | 33 | 3.2 (2.3 to 4.5)*** | 141 | 1.8 (1.5 to 2.1) | 112 | 1.4 (1.2 to 1.7) |
| Sprain/joint injury | 49 | 0.7 (0.5 to 0.9) | 58 | 0.9 (0.7 to 1.1) | 41 | 4.2 (3.1 to 5.7) | 42 | 4.0 (3.0 to 5.5) | 90 | 1.1 (0.9 to 1.4) | 100 | 1.3 (1.1 to 1.6) |
| Groin injury | 54 | 0.8 (0.6 to 1.0) | 66 | 1.0 (0.8 to 1.3) | 36 | 3.7 (2.7 to 5.1) | 38 | 3.7 (2.7 to 5.0) | 90 | 1.1 (0.9 to 1.4) | 104 | 1.3 (1.1 to 1.6) |
| Hamstring injury | 26 | 0.4 (0.3 to 0.6) | 50 | 0.7 (0.6 to 1.0)** | 40 | 4.1 (3.0 to 5.6) | 25 | 2.4 (1.6 to 3.6)* | 66 | 0.8 (0.7 to 1.1) | 75 | 1.0 (0.8 to 1.2) |
| Knee joint trauma | 22 | 0.3 (0.2 to 0.5) | 31 | 0.5 (0.3 to 0.7) | 22 | 2.3 (1.5 to 3.4) | 24 | 2.3 (1.5 to 3.4) | 44 | 0.6 (0.4 to 0.8) | 55 | 0.7 (0.5 to 0.9) |
| Ankle sprain | 25 | 0.4 (0.2 to 0.5) | 25 | 0.4 (0.3 to 0.6) | 16 | 1.6 (1.0 to 2.7) | 17 | 1.6 (1.0 to 2.6) | 41 | 0.5 (0.4 to 0.7) | 42 | 0.5 (0.4 to 0.7) |