Patient characteristics
| Characteristic | No. (%) of patients* | p value | |
|---|---|---|---|
| Preintervention group n = 95 | Postintervention group n = 117 | ||
| Age, yr | 0.08 | ||
| ≤ 75 | 22 (23.2) | 17 (14.5) | |
| 76–85 | 36 (37.9) | 43 (36.8) | |
| ≥ 86 | 37 (39.0) | 57 (48.7) | |
| Median (IQR) | 84 (77–89) | 85 (79–90) | |
| Female sex | 74 (77.9) | 89 (76.1) | 0.75 |
| Place of residence before hospital admission | |||
| Home | 81 (85.3) | 95 (81.2) | 0.73 |
| Retirement or assisted living facility | 8 (8.4) | 13 (11.1) | |
| Nursing home or complex care facility | 6 (6.3) | 9 (7.7) | |
| Charlson Comorbidity Index score (19) | |||
| ≤ 3 | 12 (12.6) | 15 (12.8) | 0.96 |
| 4–5 | 49 (51.6) | 58 (49.6) | |
| ≥ 6 | 34 (35.8) | 44 (37.6) | |
| Preadmission use of therapeutic anticoagulation | 10 (10.5) | 14 (12.0) | 0.74 |
| Type of fracture | |||
| Subcapital or intracapsular | 44 (46.3) | 58 (49.6) | 0.17 |
| Stable intertrochanteric | 17 (17.9) | 28 (23.9) | |
| Unstable intertrochanteric | 26 (27.4) | 18 (15.4) | |
| Unstable subtrochanteric | 8 (8.4) | 13 (11.1) | |
| Type of surgery | |||
| Total hip arthroplasty | 1 (1.1) | 0 | 0.61 |
| Hemiarthroplasty | 38 (40.0) | 42 (35.9) | |
| Dynamic hip or cannulated screws | 34 (35.8) | 43 (36.8) | |
| Intramedullary nail | 20 (21.1) | 31 (26.5) | |
| Nonoperative | 2 (2.1) | 1 (0.9) | |
| Type of anesthesia | |||
| Regional | 78 (83.9) | 97 (83.6) | 0.96 |
| General | 15 (16.1) | 19 (16.4) | |
| Intraoperative nerve block | 76 (81.7) | 107 (92.2) | 0.022 |
IQR = interquartile range.
↵* Unless indicated otherwise.