Table 1.
Pre-fracture variables in 60 patients with intertrochanteric fractures treated with dynamic hip screws (DHSs) and expandable proximal femoral nails (EPFNs).
| Variable | Total N = 60 | DHSs N = 31 | EPFNs N = 29 |
|---|---|---|---|
| Age (years) | 83.1 ± 6.17 (66–97) | 83.1 ± 6.7 (66–97) | 83.1 ± 5.7 (69–94) |
| Gender (male) | 14 (23%) | 8 (26%) | 6 (21%) |
| Body mass index | 25.2 ± 4.7 (16–39) | 25.5 ± 4.7 (16–38.6) | 24.9 ± 4.8 (16–39) |
| Heart disease | 14 (23%) | 7 (23%) | 7 (24%) |
| Diabetes | 14 (23%) | 6 (19%) | 8 (28%) |
| Renal failure | 7 (12%) | 3 (10%) | 4 (14%) |
| Parkinson's disease | 2 (3%) | 2 (6%) | 0 |
| Dementia | 9 (15%) | 3 (10%) | 6 (21%) |
| Hemoglobin level on admission (g/dL)∗ | 11.9 ± 1.46 (7.9–15.2) | 11.5 ± 1.6 (7.9–15.2) | 12.3 ± 1.1 (8.9–15.2) |
| Residence | |||
| Own home | 49 (82%) | 25 (81%) | 24 (83%) |
| Nursing institution | 11 (18%) | 6 (19%) | 5 (17%) |
| Independencea | 2.42 ± 1.15 | 2.39 ± 1.17 | 2.45 ± 1.15 |
| Ambulation scoreb | 6.17 ± 2.67 | 6 ± 2.73 | 6.34 ± 2.64 |
| ASA scorec | 2.28 ± 0.58 | 2.26 ± 0.63 | 2.31 ± 0.54 |
| Fracture type | |||
| 31A1 | 20 (33%) | 10 (32%) | 10 (34%) |
| 31A2 | 40 (67%) | 21 (68%) | 19 (66%) |
| Laterality | |||
| Right | 36 (60%) | 16 (52%) | 20 (69%) |
| Left | 24 (40%) | 15 (48%) | 9 (31%) |
| Time from fall to surgery (hours) | 50 ± 30 (4–168) | 55 ± 35 (4–168) | 45 ± 25 (19–133) |