Table 1.
Characteristics of the patients at baseline
| Characteristics | Aspirin (n = 198) | Rivaroxaban (n = 192) | P‐value |
|---|---|---|---|
| Age ‐ yr. | 69.4 ± 17.4 | 67.8 ± 16.9 | 0.96 |
| Male ‐ no. (%) | 99 (50.0) | 91(47.7) | 0.61 |
| Body mass index (kg/m2) | 23.5 ± 2.4 | 23.7 ± 2.8 | 0.08 |
| Fracture site | |||
| Femoral neck fracture ‐ no. (%) | 72(36.3) | 69(35.9) | 0.93 |
| Intertrochanteric fracture of the femur ‐ no. (%) | 126(63.6) | 123(64.1) | |
| Surgery waiting time ‐ d | 4.8 ± 1.7 | 5.5 ± 1.8 | 0.50 |
| Type of surgery | |||
| Three hollow screws ‐ no. (%) | 23(11.6) | 27(14.1) | 0.67 |
| PFNA or sliding hip screws ‐no. (%) | 126(63.6) | 123(64.1) | |
| Hemi‐arthroplasty ‐ no. (%) | 49(24.7) | 42(21.9) | |
| Time in operation room ‐ hr. | 1.36 ± 0.33 | 1.40 ± 0.34 | 0.73 |
| Estimated blood loss ‐ ml | 98.5 ± 60.6 | 101.2 ± 57.5 | 0.94 |
| Combined disease | |||
| Type 2 diabetes ‐ no. (%) | 17(8.6) | 11(5.7) | 0.50 |
| COPD ‐ no. (%) | 12(6.1) | 13(6.8) | |
| Coronary heart disease ‐ no. (%) | 2(1) | 0 | |
| Hypertension ‐ no. (%) | 24(12.1) | 22(11.5) | |
| Length of hospital stay ‐ d | 21.7 ± 12.5 | 19.8 ± 8.1 | 0.09 |