Table 1.
Characteristics of intertrochanteric fractures in three groups
| Characteristic | High-matching group | Middle-matching group | Low-matching group | Combination |
|---|---|---|---|---|
| Patient, n (%) | 80 (39.4%) | 87 (42.9%) | 36 (17.7%) | 203 (100%) |
| Age, mean ± SD (year) | 76.6 ± 10.7 | 78.8 ± 9.3 | 78.1 ± 9.8 | 77.8 ± 9.9 |
| Gender, n (%) | ||||
| Male | 37 (46.3%) | 32 (36.8%) | 9 (25.0%) | 78 (38.4%) |
| Female | 43 (53.7%) | 55 (63.2%) | 27 (75.0%) | 125 (61.6%) |
| Follow-up time, mean ± SD (week) | 58.8 ± 23.9 | 58.9 ± 24.1 | 54.7 ± 24.7 | 58.1 ± 24.0 |
| Length of stay, mean ± SD (day) | 9.8 ± 4.3 | 9.3 ± 4.0 | 8.6 ± 3.6 | 9.4 ± 4.1 |
| Operating time, mean ± SD (min) | 120.7 ± 43.2 | 107.7 ± 35.2 | 121.2 ± 43.4 | 115.2 ± 40.3 |
| Fracture, n (%) | ||||
| Stable | 21 (26.3%) | 19 (21.8%) | 8 (22.2%) | 48 (23.6%) |
| Unstable | 59 (73.7%) | 68 (78.2%) | 28 (77.8%) | 155 (76.4%) |
| Quality of reduction, n (%) | ||||
| Good | 41 (51.2%) | 43 (49.4%) | 19 (52.8%) | 103 (50.7%) |
| Acceptable | 26 (32.5%) | 33 (37.9%) | 8 (22.2%) | 67 (33.0%) |
| Poor | 13 (16.3%) | 11 (12.7%) | 9 (25.0%) | 33 (16.3%) |
| Nail type, n (%) | ||||
| 170 mm | 27 (33.7%) | 20 (23.0%) | 9 (25.0%) | 56 (27.6%) |
| 200 mm | 45 (56.3%) | 64 (73.6%) | 27 (75.0%) | 136 (67.0%) |
| 240 mm | 8 (10.0%) | 3 (3.4%) | 0 (0%) | 11 (5.4%) |
| Postoperative outcome, n (%) | ||||
| Non-reoperation | 69 (86.3%) | 75 (86.2%) | 32 (88.9%) | 176 (86.7%) |
| Reoperation | 11 (13.7%) | 12 (13.8%) | 4 (11.1%) | 27 (13.3%) |