Table 2 Data on cup orientation and safe zone in left THA and right THA
Left THA (n = 498) | Right THA (n = 498) | p value | |
|---|---|---|---|
Mean inclination and anteversion | |||
Mean inclination (range, SD) | 37.50 (15.5–70, 6.76) | 38.59 (18–72.5, 6.84) | 0.011* |
Mean anteversion (range, SD) | 25.28 (6.5–45, 7.16) | 22.01 (7.5–41.5, 6.35) | < 0.001* |
Safe zone placement | |||
Inclination | 433/498 (87%) | 436/498 (88%) | 0.776 |
Anteversion | 259/498 (52%) | 356/498 (71%) | < 0.001* |
Inclination and anteversion | 230/498 (46%) | 307/498 (62%) | < 0.001* |