TABLE 1.
Comparison of the characteristics of the two groups.
| Variable | VSD group (n = 26) | IM group (n = 27) | T or X 2 | p value |
|---|---|---|---|---|
| Age (mean ± SD, years) | 63.73 ± 7.53 | 61.37 ± 7.35 | T = 1.15 | p = 0.254 |
| Sex | X 2 = 0.29 | p = 0.59 | ||
| Male | 20 | 19 | ||
| Female | 6 | 8 | ||
| Smoking | X 2 = 0.15 | p = 0.70 | ||
| Yes | 15 | 17 | ||
| No | 11 | 10 | ||
| Diabetes | X 2 = 0.58 | p = 0.49 | ||
| Yes | 17 | 20 | ||
| No | 9 | 7 | ||
| Alcohol abuse | X 2 = 0.01 | p = 0.92 | ||
| Yes | 17 | 18 | ||
| No | 9 | 9 | ||
| Vascular disease of lower extremity | X 2 = 0.01 | p = 0.92 | ||
| Yes | 16 | 17 | ||
| No | 10 | 10 | ||
| Cause of injury | X 2 = 0.43 | p = 0.81 | ||
| Car accident | 19 | 20 | ||
| Crash injury | 5 | 6 | ||
| Other case | 2 | 1 |