Table 2 Univariate and multivariate analysis of the effect of covariates of RFS for 66 patients
Factors | Univariate | Multivariate | ||
|---|---|---|---|---|
HR (95% CI) | P value | HR (95% CI) | P value | |
Gender (male vs. female) | 1.83 (1.15–2.22) | 0.000 | 3.24 (2.56–4.09) | 0.000 |
Age (vs. 0–5 years) | ||||
6–10 years | 2.70 (2.06–3.54) | 0.000 | 10.53 (7.00–15.84) | 0.000 |
> 10 years | 1.78 (1.39–2.27) | 0.000 | 3.24 (2.43–4.31) | 0.000 |
Size (vs.0–8 cm) | ||||
9–14 cm | 0.19 (0.13–0.26) | 0.000 | 0.22 (0.14–0.32) | 0.000 |
> 14 cm | 1.71 (1.40–2.10) | 0.000 | 1.29 (1.01–1.65) | 0.043 |
Adjacent to nerves/vascular (yes vs. no) | 4.60 (3.85–5.48) | 0.000 | 3.03 (2.34–3.84) | 0.000 |
Location (vs. buttock) | ||||
Extremity | 27.80 (16.32–47.37) | 0.000 | 5.78 (3.23–10.42) | 0.000 |
Trunk | 21.71 (12.40–38.01) | 0.000 | 8.54 (4.62–15.79) | 0.000 |