Cross-tabulations of exposure and outcomes with corresponding absolute risks
| Exposure | Incident hip OA (KL≥2 or THR) | Incident end-stage hip OA (KL≥3 or THR) | ||||
| Present (n=221) | Absent (n=363) | Absolute risk | Present (n=15) | Absent (n=569) | Absolute risk | |
| FAIS (hip pain, internal hip rotation≤25°, cam morphology with alpha angle>60°) | ||||||
| Present (n=21) | 17 | 4 | 81.0% | 7 | 14 | 33.3% |
| Absent (n=563) | 204 | 359 | 8 | 555 | ||
| FAIS with large cam morphology (hip pain, internal hip rotation≤25°⁰, cam morphology with alpha angle>78°) | ||||||
| Present (n=14) | 11 | 3 | 78.6% | 6 | 8 | 42.9% |
| Absent (n=563) | 204 | 359 | 8 | 555 | ||
FAIS, femoroacetabular impingement syndrome; KL, Kellgren-Lawrence grade; OA, osteoarthritis; THR, total hip replacement.