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Demographic features of study groups
| Group | Age (years) | Sex | BMI (kg/m2) | Preoperative diagnosis |
|---|---|---|---|---|
| Posterior approach group | 60.6 (± 11) | 126 males; 167 females | 25.9 (± 4) | OA-274;AVN-9;posttraumatic OA-10 |
| Learning curve group | 63.4 (± 10) | 41 males; 55 females | 25.2 (± 3) | OA-86;AVN-7;posttraumatic OA-3 |
| Direct anterior approach group | 61.8 (± 12) | 130 males; 156 females | 26.4 (± 5) | OA-269;AVN-6;posttraumatic OA-11 |
| p values | 0.31 | 0.80 | 0.45 | 0.33 |
OA = osteoarthritis; AVN = avascular necrosis.
