Hip and groin injury clinical entities and their characteristics between 2001/2002 and 2015/2016 in European professional football
| Injuries n (%) | Injury rate (95% CI) | Match injury rate (95% CI) | Reinjuries n (%) | Slight/minimal n (%) | Mild n (%) | Moderate n (%) | Severe n (%) | Lay-off days mean (SD) | Injury burden* (95% CI) | |
| Adductor-related injury | 1139 (63) | 0.63 (0.59 to 0.66) | 2.16 (2.00 to 2.33) | 127 (11) | 163 (14) | 299 (26) | 558 (49) | 119 (10) | 15 (20) | 9.2 (9.1 to 9.3) |
| Iliopsoas-related injury | 146 (8) | 0.08 (0.07 to 0.09) | 0.24 (0.19 to 0.31) | 9 (6) | 21 (14) | 43 (30) | 66 (45) | 16 (11) | 15 (19) | 1.2 (1.2 to 1.3) |
| Pubic-related injury | 57 (3) | 0.03 (0.02 to 0.04) | 0.06 (0.04 to 0.10) | 17 (30) | 7 (12) | 6 (11) | 19 (33) | 25 (44) | 30 (28) | 0.9 (0.9 to 1.0) |
| Inguinal-related injury | 66 (4) | 0.04 (0.03 to 0.05) | 0.09 (0.06 to 0.13) | 10 (15) | 2 (3) | 7 (11) | 27 (41) | 30 (46) | 34 (27) | 1.2 (1.2 to 1.3) |
| Hip-related injury | 73 (4) | 0.04 (0.03 to 0.05) | 0.11 (0.08 to 0.16) | 18 (25) | 20 (27) | 15 (21) | 26 (36) | 12 (16) | 22 (35) | 0.9 (0.8 to 0.9) |
| Other causes of groin pain† | 331 (18) | 0.18 (0.16 to 0.20) | 0.53 (0.46 to 0.62) | 23 (7) | 78 (24) | 97 (29) | 123 (37) | 33 (10) | 14 (28) | 2.6 (2.6 to 2.7) |
| Total | 1812 | 1.0 (0.95 to 1.04) | 3.20 (2.99 to 3.41) | 204 (11) | 291 (16) | 467 (26) | 819 (45) | 235 (13) | 16 (23) | 16.1 (15.9 to 16.3) |
In the injury severity categories, (%) refers to relative proportion for the specific entity, otherwise (%) is related to all HGIs.
*Number of lay-off days per 1000 player hours.
†Including nerve entrapment, groin enthesiopathy, groin tendinopathy, unspecified groin pain, gluteal/hip muscle pain/strain and hip/groin hematoma/contusion.