| Complications | Entire group n = 32 (%) | BMI < 30 n = 20 (%) | BMI > 30 n = 12 (%) | p | |
| Intraoperative | Trochanteric fracture | 1 (3.1) | 0 | 1 (8.3) | - |
| Immediate postoperative | Anemia | 2 (6.2) | 2 (10) | 0 | - |
| Dislocation | 1 (3.1) | 1 (5) | 0 | - | |
| Early postoperative | Anemia | 3 (9.4) | 3 (15) | 0 | - |
| Dislocation | 1 (3.1) | 0 | 1 (8.3) | - | |
| Late postoperative | Pain | 9 (281) | 5 (25) | 4 (33.3) | > |
| knee swelling | 2 (6.2) | 2 (10) | 0 | - | |
| Urinary tract infection | 10 (3.1) | 5 (25) | 5 (42.1) | > | |
| Pulmonary embolism | 1 (31.2) | 1 (5) | 0 | - | |
| Death | 2 (6.2) | 1 (5) | 1 (8.3) | > | |