Table 3.

Multivariate analysis using different parameters.

		Model1		Model 2
		Hazard Ratio (CI)	P value	Hazard Ratio (CI)	P value
Operation time (min)	<300 vs. ≥300	2.4 (1–5.6)	0.043
Complications	No vs. Yes			2.2 (0.9–5.4)	0.075
LNR	<0.103 vs. ≥0.103
Stage	IIIC	1	0.026	1	0.023
	IIIB	0.3 (0.1–0.7)	0.009	0.3 (0.1–0.7)	0.007
	IIIA	0.2 (0–2.3)	0.243	0.3 (0–2.8)	0.325
TILs	High vs. Low	2.5 (1–5.9)	0.032
TILs and NLR	High TILs and low NLR vs. others			4.1 (1.1–14.2)	0.025
C-index	(95% Confidence Interval)	0.717(0.604–0.831)		0.737(0.623–0.850)
AIC		229.221		226.289

Abbreviations; LNR: Lymph node ratio; TILs: Tumor infiltrating lymphocytes; NLR: Neutrophil to lymphocytes ratio.

C-index: Harrell’s concordance index; AIC: Akaike information criterion.

Factors with p value less than 0.1 in univariate analysis were entered into multivariate analysis.