Table IV.
Pincer-type radiographic findings in male and female
| N (%) | ||||
|---|---|---|---|---|
| Signs and parameters | Male | Female | χ2 | P |
| Crossover sign | 339/449 (75.5) | 723/922 (78.4) | 1.470 | 0.225 |
| Posterior wall sign | 281/449 (62.6) | 483/922 (52.4) | 12.727 | 0.000 |
| Ischial spine sign | 258/449 (57.5) | 507/922 (55.0) | 0.748 | 0.387 |
| Coxa profunda | 138/449 (30.7) | 706/922 (76.6) | 268.106 | 0.000 |
| Protrusio acetabuli | 1/449 (0.2) | 6/922 (0.7) | – | 0.437a |
| Tönnis angle <0° | 81/449 (18.0) | 231/922 (25.1) | 8.451 | 0.004 |
| Lateral center edge angle ≥40° | 54/449 (12.0) | 116/922 (12.6) | 0.086 | 0.770 |
a
Fisher’s exact test.
Bold signifies statistical significance.