Table 2 Treatment characteristics, broken down by fracture type
AO fracture type | 31A1 (n = 180) | 31A2 (n = 233) | 31A3 (n = 160) | 31B (n = 215) | Total (n = 788) | P-value |
|---|---|---|---|---|---|---|
Age (years) | 77.3 ± 9.5 | 76.9 ± 9.9 | 75.4 ± 10.4 | 74.4 ± 10.1 | 76.0 ± 10.0 | 0.01 |
Sex | Â | Â | Â | Â | Â | 0.58 |
 Male | 86 (10.9%) | 111 (14.1%) | 83 (10.5%) | 96 (12.2%) | 376 (47.7%) |  |
 Female | 94 (11.9%) | 122 (15.5%) | 77 (9.8%) | 119 (15.1%) | 412 (52.3%) |  |
Treatment | Â | Â | Â | Â | Â | Â |
 DHS | 75 | 83 | 22 | - | 180 |  |
 Bipolar hemiarthroplasty | 44 | 40 | 28 | 207 | 319 |  |
 ORIF by plate | 56 | 101 | 106 | 0 | 263 |  |
 Screw | 0 | 0 | 0 | 3 | 3 |  |
 Non-operative | 5 | 9 | 4 | 5 | 23 |  |
Total | 180 (22.8%) | 233 (29.6%) | 160 (20.3%) | 215 (27.3%) | 788 | Â |