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Preoperative data of the patients
| Variables | Value |
|---|---|
| Mean age (y) | 75.3 |
| Sex (male/female) | 21/66 |
| Side (left/right) | 56/31 |
| Fracture classifications | |
| A2 | 59 |
| A3 | 28 |
| Mechanisms of injury | |
| Simple fall at home | 63 |
| Traffic accident | 24 |
| ASA classificationsa | |
| 1 | 25 |
| 2 | 42 |
| 3 | 12 |
| 4 | 8 |
a American Society of Anesthesiologists (ASA) rating of operative risk [9]
