Table 4.
Injury Type/Diagnosis |
Overall |
Training |
||||||
2008–2009 |
2009–2010 |
IRR |
P |
2008–2009 |
||||
No. |
Incidence |
No. |
Incidence |
No. |
Incidence |
|||
Muscle strain/injury | 53 | 2.07 (1.58, 2.71) | 45 | 1.98 (1.48, 2.65) | 0.95 (0.64, 1.42) | .82 | 21 | 0.9 (0.60, 1.41) |
Sprain/joint injury | 41 | 1.60 (1.18, 2.18) | 44 | 1.93 (1.44, 2.60) | 1.05 (0.69, 1.60) | .83 | 16 | 0.7 (0.43, 1.14) |
Groin injury | 5 | 0.20 (0.08, 0.47) | 7 | 0.31 (0.15, 0.65) | 1.57 (0.50, 4.96) | .44 | 1 | 0.04 (0.01, 0.31) |
Hamstrings injury | 21 | 0.82 (0.54, 1.26) | 20 | 0.88 (0.57, 1.36) | 1.07 (0.58, 1.98) | .83 | 6 | 0.26 (0.12, 0.59) |
Knee-ligament injury (including distortion) | 12 | 0.47 (0.27, 0.83) | 20 | 0.88 (0.57, 1.36) | 1.87 (0.92, 3.83) | .09 | 4 | 0.17 (0.07, 0.47) |
Anterior cruciate ligament rupture | 2 | 0.08 (0.02, 0.31) | 3 | 0.13 (0.04, 0.41) | 1.69 (0.28, 10.1) | .57 | 2 | 0.09 (0.02, 0.35) |
Ankle sprain (including syndesmosis injury) | 21 | 0.82 (0.54, 1.26) | 16 | 0.7 (0.43, 1.15) | 0.86 (0.45, 1.64) | .64 | 9 | 0.39 (0.21, 0.76) |
Abbreviations: IRR, incidence rate ratio; NA, not applicable.
IRRs compare the 2009–2010 with the 2008–2009 season using the z statistic.