Table 1.

Clinical association between OLFML2B expression and clinicopathological variables in GC patients

Variable	Number	OLFML2B expression		χ2-test	Correlation
		Low	High	P-value	r	P-value
Age	371a				0.008	0.872
≥ 60	255	123	132	0.872
< 60	116	57	59
Sex					0.044	0.392
Male	243	113	130	0.391
Female	133	68	65
Tumor stage					0.175	0.001
T2–4	356	164	192	0.001
T1	20	17	3
Lymph metastasis					0.025	0.626
Yes	258	122	136	0.625
No	118	59	59
Distant metastasis					0.016	0.764
Yes	35	16	19	0.763
No	341	165	176
Clinical stage	372a				0.115	0.027
II-IV	321	148	173	0.027	0
I	51	32	19

^aComplete data was unavailable in TCGA database