Table 3-1. Stratified analysis for the association between rs3742330 and GC clinical characteristics.

Clinical characteristics	Genotype			OR (95% C.I.)*	P	Allele		OR (95% C.I.)	P
	AA	AG	GG			A	G
Tumor size
<5 cm	100	86	21	1.00 (Reference)		286	128	1.00 (Reference)
5-10 cm	83	94	27	0.73 (0.49-1.11)	0.120	260	148	0.79 (0.58-1.06)	0.104
≥10 cm	26	26	4	0.93 (0.49-1.75)	0.803	78	34	1.03 (0.64-1.66)	0.909
Tumor stages
1a	29	30	5	1.00 (Reference)		88	40	1.00 (Reference)
1b	14	18	4	0.77 (0.31-1.91)	0.533	46	26	0.80 (0.42-1.55)	0.483
2a	13	18	10	0.56 (0.23-1.37)	0.165	44	38	0.53 (0.28-0.97)	0.027
2b	38	29	5	1.35 (0.65-2.81)	0.385	74	39	0.86 (0.49-1.53)	0.590
3a	25	24	6	1.01 (0.46-2.21)	0.988	74	36	0.93 (0.52-1.67)	0.807
3b	29	32	10	0.83 (0.40-1.75)	0.601	90	52	0.79 (0.46-1.35)	0.353
3c	46	51	12	0.88 (0.45-1.72)	0.690	143	75	0.87 (0.53-1.42)	0.548
4	79	80	21	0.94 (0.51-1.74)	0.844	238	122	0.89 (0.56-1.40)	0.586
Degree of differentiation
Low	187	198	47	1.00 (Reference)		572	292	1.00 (Reference)
Medium	82	82	21	1.04 (0.73-1.50)	0.812	246	124	1.01 (0.78-1.32)	0.923
High	4	4	2			12	8
Lymphatic metastasis
0	66	72	13	1.00 (Reference)		204	98	1.00 (Reference)
1	42	42	19	0.89 (0.52-1.52)	0.643	126	80	0.76 (0.51-1.11)	0.139
2	49	51	9	1.05 (0.62-1.78)	0.842	149	69	1.04 (0.70-1.53)	0.847
3a	62	50	12	1.29 (0.78-2.13)	0.298	174	74	1.13 (0.77-1.65)	0.511
3b	19	33	9	0.58 (0.30-1.14)	0.091	71	51	0.67 (0.42-1.06)	0.068