Table 1.
Demographic and surgical data for all patients
| Warfarin patients (n = 99) | Control group (n = 99) | P-value | |
|---|---|---|---|
| Age (years), mean (±SD) | 86 (7.4) | 86 (7.1) | 0.8 |
| Gender, female n (%) | 69 (70) | 69 (70) | 1.0 |
| Height (cm), mean (±SD) | 167 (10) | 166 (10) | 0.3 |
| Weight (kg), mean (±SD) | 69 (14) | 64 (12) | 0.02 |
| Charlson comorbidity index, mean (±SD) | 5.4 (1.3) | 5.0 (1.2) | 0.1 |
| ASA class 1 or 2, n (%) | 5 (5.1) | 18 (18) | 0.007 |
| Fracture type | |||
| Trochanteric, n (%) | 68 (69) | 66 (67) | 0.9 |
| Subtrochanteric, n (%) | 31 (31) | 33 (33) | |
| Implant type | |||
| Short nail, n (%) | 66 (67) | 66 (67) | 1.0 |
| Long nail, n (%) | 33 (33) | 33 (33) | |
| Time to surgery (hours), mean (±SD) | 16 (4.8) | 14 (5.6) | 0.04 |
| Anaesthesia type | |||
| Spinal, n (%) | 98 (99) | 99 (100) | 1.0 |
| General, n (%) | 1 (1.0) | 0 | |
| Time of surgery (min), mean (±SD) | 65 (16) | 64 (14) | 0.8 |
ASA = American Society of Anesthesiologists