TABLE 4.
Radiographic Findingsa
| Total Group (n = 1104)b | Patients With Osteoarthritis (n = 149)b | |
|---|---|---|
| Morphology type | ||
| Pincer | 211 (19.1) | 16 (10.7) |
| Cam | 108 (9.8) | 24 (16.1) |
| Mixed | 785 (71.1) | 109 (73.2) |
| Measurements | ||
| Tonnis angle, deg | 4.4 ± 6.3 | 5.2 ± 7.8 |
| Alpha angle, deg | 61.7 ± 14.5 | 67 ± 13.3 |
| Lateral center-edge angle, deg | 32.3 ± 7.0 | 32.5 ± 9.2 |
| Positive signs | ||
| Crossover sign | 854 (77.4) | 97 (65.1) |
| Posterior wall sign | 650 (58.9) | 88 (59.1) |
| Ischial spine sign | 629 (57.0) | 82 (55.0) |
| Acetabular profunda | 683 (61.9) | 75 (50.3) |
| Acetabular protrusion | 6 (0.5) | 2 (1.3) |
| Os acetabuli | 141 (12.8) | 22 (14.8) |
a
Values are presented as mean ± SD or n (% of cohort).
b
n, number of hips.