Table 1.
Frequency of hip/groin injuries in Swedish professional football
Season | 2012 | 2013 | 2014 | 2015 | 2016 | Total |
---|---|---|---|---|---|---|
No. of injuries | 94 | 76 | 78 | 118 | 101 | 467 |
No. of training injuries (%) | 66 (70%) | 53 (70%) | 53 (68%) | 79 (67%) | 67 (66%) | 318 (68%) |
No. of match injuries (%) | 28 (30%) | 23 (30%) | 25 (32%) | 39 (33%) | 34 (34%) | 149 (32%) |
No. of injuries per cluba | 6.5 (3.0–11.3) | 7.0 (4.5–10.5) | 5.0 (2.0–9.3) | 7.0 (6.0–10.0) | 8.0 (5.0–11.0) | 7.0 (4.5–11.0) |
No. of absence days | 1889 | 2147 | 1146 | 2427 | 1234 | 8843 |
No. of training absence days (%) | 1412 (75%) | 1657 (77%) | 914 (80%) | 1977 (81%) | 725 (59%) | 6685 (76%) |
No. of match absence days (%) | 463 (25%) | 490 (23%) | 232 (20%) | 360 (15%) | 509 (41%) | 2054 (23%) |
No. of absence days per cluba | 155 (56–225) | 209 (146–243) | 59 (26–107) | 109 (59–172) | 68 (48–133) | 97 (50–209) |
No. of exposure hours | 127 571 | 110 776 | 118 759 | 112 741 | 96 299 | 566 145 |
Incidenceb | 0.74 (0.41–1.05) | 0.69 (0.39–1.02) | 0.66 (0.33–1.07) | 1.05 (0.65–1.51) | 1.05 (0.71–1.39) | 0.82 (0.71–1.01) |
Injury burdenc | 14.8 (8.0–20.5) | 19.4 (10.7–29.6) | 9.6 (2.4–19.1) | 21.5 (6.3–39.0) | 12.8 (5.8–21.7) | 15.6 (11.9–20.6) |
aData presented as median (IQR)
bIncidence presented as injuries/1000 h of exposure (95% CI)
cInjury burden presented as absence days/1000 h of exposure (95% CI)