Table 1. Correlation analysis of KIF2C gene expression level and patient clinical characteristics in The Cancer Genome Atlas database.

Variable	All cases (n=358)	KIF2C expression level		P value
		Low expression	High expression
Age (years)				0.026
≤60	172	75	97
>60	186	103	83
Sex				0.132
Female	242	127	115
Male	116	51	65
Child-Pugh classa				0.622
A	209	112	97
B	22	13	9
Alcohol historyb				0.732
No	223	110	113
Yes	117	60	57
Hepatitis virusc				0.303
No	94	51	43
Yes	256	123	133
Vascular invasiond				0.235
No	199	109	90
Yes	103	49	54
Pathological stagee				0.001
I	165	96	69
II	81	36	45
III + IV	88	33	55
Neoplasm histological gradef				<0.001
G1	53	38	15
G2	169	91	78
G3 + G4	131	47	84
Cirrhosisg				0.687
No	72	29	43
Yes	139	60	79
Radical resectionh				0.154
R0	315	162	153
R1/Rx	36	14	22

^a, Child-Pugh class was unavailable for 127 patients; ^b, alcohol history was unavailable for 18 patients; ^c, hepatitis virus was unavailable for 8 patients; ^d, vascular invasion was unavailable for 56 patients; ^e, pathological stage was unavailable for 24 patients; ^f, neoplasm histological grade was unavailable for 5 patients; ^g, cirrhosis was unavailable for 147 patients; ^h, radical resection was unavailable for 7 patients. KIF2C, kinesin family member 2C.