Table III.

Hazard ratios for relapse-free survival and overall survival in patients receiving adjuvant chemotherapy.

	RFS			OS
Prognostic factors	HR	95% CI	P-value	HR	95% CI	P-value
ERCC1 level			0.026			0.031
<7.32	1			1
≥7.32	2.16	1.09–4.25		2.21	1.07–4.55
Staging			0.002			0.010
I, II and III	1			1
IV	3.12	1.52–6.42		2.81	1.29–6.15
Carcinoembryonic antigen (ng/ml)			0.012			0.050
≤5	1			1
>5	2.49	1.23–5.09		2.16	0.99–4.68

ERCC1, excision repair cross-complementation group 1; RFS, relapse-free survival; OS, overall survival; HR, hazard ratio; CI, confidence interval.