Table 1. Correlation between GRSF1 levels and clinicopathologic features in LUAD.

Characteristics	LUAD (n=479)		χ2	P value
	GRSF1 low (n=341)	GRSF1 high (n=138)
Age (years)			0.196	0.658
≥60	246	103
<60	95	35
Gender			6.873	0.009*
Male	146	78
Female	195	60
Nodes_pathologic_pN				0.596
N0	229	87
N1	64	27
N2	46	24
N3	2	0
Tumor_pathologic_pT			13.62	0.003*
T1	131	33
T2	175	78
T3	26	18
T3	9	9
Pathologic_tumor_stage			3.775	0.287
I	193	65
II	81	38
III	53	27
IV	14	8

*, statistically significant P values, P<0.05. GRSF1, guanine-rich RNA sequence binding factor 1; LUAD, lung adenocarcinoma.