Table 2.

Univariate and multivariate analyses of factors predicting disease-free survival (n = 38)

	Univariate			Multivariate
	RR	95 % CI	P-value	RR	95 % CI	P-value
Age	1.149	0.3154 – 4.190	0.8328	1.162	0.1601 – 4.622	0.8607
FIGO stage	1.877	0.4963 – 7.102	0.3535	2.524	0.2284 – 27.89	0.4501
Lymph node metastasis	1.937	0.5174 – 7.248	0.3263	1.197	0.4152 – 8.85	0.4044
Parametrium invasion	3.155	0.9579 – 11.76	0.0681	1.716	0.0402 – 8.416	0.691
Margin positive	3.884	0.3645 – 685.0	0.1581	1.604	0.03867 – 10.06	0.7392
Primary tumor > 4 cm	0.3786	0.05758 – 1.266	0.1609	0.3811	0.2314 – 29.76	0.4362
Serum SCC antigen > 5.0 ng/mL	0.6878	0.1982 – 2.365	0.5545	0.2663	0.04308 – 1.646	0.1545
LVSI	8.698	1.508 – 18.00	0.011*	9.764	0.7944 – 120.0	0.07506
Shrinkage rate ≦ 50 %	6.098	2.328 – 37.18	0.0021*	12.14	1.023 – 144.1	0.04794*

RR Relative risk, CI Confidence interval, Univariate analysis, Log rank test; Multivariate analysis, Cox proportional hazard model; *significant p-value