| Parameters | Intraoperative without Femoral Fracture (Hip No. 61) | Intraoperative Femoral Fracture (Hip No. 15) | Odds Ratio* (95% CI OR) | P-value |
| Operation Time (min) | 281( ±77) | 260 (±58) | 0.78 [0.48 - 1.26] | 0.31 |
| Blood Loss (cc) | 1200 [800 - 1800] | 1000 [700 - 1200] | 0.86 [0.68 - 1.09] | 0.21 |
| Posterolateral Approach with Osteotomy | 20 (33%) | 6 (40%) | 0.20 [0.03 - 1.18] | 0.20 |
| Posterolateral Approach without Osteotomy | 41 (67%) | 9 (60%) | 0.40 [0.07 - 2.31] | 0.20 |
| Intramedullary Reaming Diameter | 16.5 (13.5 - 22.5) | 17 (14 - 19.5) | 1.04 [0.80 - 1.36] | 0.78 |
| Stem Diameter | 17 (14 - 23) | 17 (15 - 20) | 1.03 [0.79 - 1.34] | 0.83 |
| Stem length 167 mm/205 mm** | 27 (44%)/34 (56%) | 6 (40%)/9 (60%) | 1.10 [0.86 - 1.40] | 0.44 |
| Stem Shape Bowed**/Straight | 4 (6.5%)/57 (93.5%) | 3 (20%)/12 (80%) | 3.56 [0.70 - 18.02] | 0.12 |
| Stem Type HA modular**/non-modular | 25 (43%)/36 (57.5%) | 7 (58%)/8 (42%) | 1.85 [0.52 - 6.51] | 0.34 |