Table II.
Operating time and clinical outcomes of total hip arthroplasty by surgical approach and surgeon experience.
| Variable | Posterior approach | p-value | Anterior approach | p-value | ||
|---|---|---|---|---|---|---|
| Senior surgeon | New surgeon | Senior surgeon | New surgeon | |||
| Mean operating time, mins (SD) | 80.0 (14.5) | 83.6 (18.4) | 0.390* | 59.5 (5.8) | 110.3 (27.5) | < 0.001 |
| Mean total time in operating room, mins (SD) | 125.5 (19.9) | 140.7 (26.2) | 0.014* | 97.4 (5.9) | 161.8 (36.1) | < 0.001* |
| Mean 6-week postoperative HHS (SD) | 76.2 (17.4) | 64.4 (16.0) | 0.013* | 86.1 (6.2) | 64.1 (18.8) | < 0.001* |
| Mean change in HHS (SD) | 20.8 (14.9) | 25.1 (18.4) | 0.345* | 32.5 (10.7) | 20.5 (14.8) | 0.002* |
| Total complications, n (%) | 0 (0) | 1 (3.3) | 0.500† | 4 (13.3) | 3 (10) | 0.500† |
| Delayed wound healing requiring antibiotics ×1 | LFCN numbness ×3 | LFCN numbness ×2 | ||||
| Serotonin syndrome ×1 | Intraoperative greater trochanter fracture ×1 | |||||
*
Independant-sample t-test
†
Fisher’s exact test
HHS, Harris Hip Score; LFCN, lateral femoral cutaneous nerve; SD, standard deviation.