Table 3. Univariate Analysis for the Association between Survival and Clinicopathological Factors in Patients with Gastric Cancer at Stages I and II.

Variables	Hazard ratio (95% CI)	P value
Stage I and II
Age (≤60 vs. >60 years)	2.26(0.68–7.51)	0.185
Sex (male vs. female)	0.99(0.13–7.64)	0.985
Location (cardiac vs. non-cardiac)	0.90(0.30–2.81	0.858
Lauren classification (intestinal vs. diffuse)	2.06(0.65–6.52)	0.218
Invasive depth (T1, T2 vs. T3, T4)	2.71(0.59–12.39)	0.198
Lymph node metastasis (N0 vs. N1-N3)	2.56(0.81–8.10)	0.109
TNM stage (I vs. II)	4.23(0.55–32.76)	0.168
ALDH1A1(negative vs. positive)	0.97(0.31–3.02)	0.962
Sox2(negative vs. positive)	6.06(1.63–22.46)	0.007