Table 3.

The univariate and multivariate analysis of prognostic factors for 3-year RFS.

Variables	Univariate			Multivariate
	HR	95%CI	p-value	HR	95%CI	p-value
Age (≤ 74, 74 <)	1.23	0.67–1.58	0.721
Gender (male/female)	1.18	0.50–1.42	0.523
BMI (≤ 22/22 <)	1.48	0.89–2.50	0.131
Tumour location (Right side/Left side)	0.91	0.54–1.55	0.749
Histology (Well or Moderate/Others)	1.9	1.26–4.51	0.007	2.43	1.24–4.78	0.010
Depth of tumor invasion (T1·T2/T3·T4)	14.6	3.57–60.0	0.0002	4.98	1.50–16.6	0.009
Lymph node metastasis (− / +)	4.00	2.34–6.82	0.0001	2.78	1.51–5.10	0.001
Lymph invasion (− / +)	3.31	1.90–5.78	0.0001	1.84	0.99–3.42	0.053
Venous invasion (− / +)	2.24	1.16–4.31	0.016	1.28	0.64–2.56	0.490
CEA lebel (normal/high)	2.18	1.300–3.64	0.004	2.13	1.19–3.82	0.011
CA19-9 lebel (normal/high)	3.04	1.74–5.32	0.0003	1.09	0.58–2.04	0.80
GNRI (low/high)	2.87	1.68–4.91	0.0003	2.31	1.28–4.20	0.006