. 2020 Jan 28;8:e8050. doi: 10.7717/peerj.8050

Table 3. Univariate and multivariate Cox regression analysis of disease-free survival in GC patients.

Variables	Univariate analysis			Multivariate analysis
	P value	HR	95%	P value	HR	95%
Age (≤60 vs. >60)	0.525	0.993	0.972–1.015	0.973	1.000	0.976–1.024
Gender (Female vs. Male)	0.001	2.441	1.418–4.203	0.013	2.016	1.160–3.502
Tumor grade (G1 vs. G2 vs. G3)	0.319	1.265	0.797–2.008	0.454	1.201	0.744–1.938
Residual tumor (No vs. Yes)	<0.000	4.063	2.019–8.175	0.002	3.065	1.514–6.204
Stage-Female (Stage I vs. Stage II vs. Stage III vs. Stage IV)	0.029	2.224	1.087–4.547	0.486	1.185	0.735–1.912
Stage-Male (Stage I vs. Stage II vs. Stage III vs. Stage IV)	0.062	1.366	0.984–1.897
Distant metastasis (No vs. Yes)	0.521	1.477	0.449–4.858	0.764	1.225	0.325–4.618
Lymph node metastasis (N0 vs. N1 vs. N2 vs. N3)	<0.000	1.480	1.200–1.825	0.002	1.406	1.137–1.738
Depth of invasion (T1 vs. T2 vs. T3 vs. T4)	0.503	1.105	0.826–1.478	0.578	0.914	0.666–1.255
ERICH3-AS1 level (Low vs. High)	0.017	1.206	1.035–1.406	0.006	1.243	1.063–1.452

Notes.