Table 1.
Patient demographics
| Factors | InterTan group | Gamma3 group | P value |
|---|---|---|---|
| Sample size (n) | 87 | 174 | NA |
| Age (mean + SD, years) | 71.4 ± 9.7 | 72.6 ± 8.6 | 0.309 |
| Gender (F/M) | 67/20 | 131/43 | 0.759 |
| Body mass index (kg/m2) | 25.6 ± 3.7 | 24.8 ± 4.9 | 0.180 |
| Side (left/right) | 39/48 | 80/94 | 0.860 |
| Smoking status | 4 | 3 | 0.176 |
| Detail of trauma, No. | |||
| At home | 58 | 119 | |
| While walking | 26 | 54 | |
| Traffic accident | 3 | 1 | |
| AO classification (n) | 0.237 | ||
| A 2.1 | 32 | 60 | |
| A 2.2 | 25 | 59 | |
| A 2.3 | 15 | 27 | |
| A 3.1 | 5 | 10 | |
| A 3.2 | 4 | 11 | |
| A 3.3 | 6 | 7 | |
| ASA score (n) | 0.168 | ||
| 1 | 13 | 25 | |
| 2 | 29 | 59 | |
| 3 | 37 | 70 | |
| 4 | 8 | 20 | |
| Preoperative HHS (mean ± SD) | 55.3 ± 8.6 | 56.7 ± 7.8 | 0.187 |
| Preoperative NAHS (mean ± SD) | 53.6 ± 7.8 | 55.2 ± 8.1 | 0.128 |
ASA, American Society of Anesthesiologists; HHS, Harris Hip Score; NAHS, the Non-Arthritic Hip Score; NA, not available; AO, SD, F/M.