Table I.

Association between lncRNA HEIH and clinical characteristics.

		HEIH expression
Factors	Number of patients	Low (n=77)	High (n=83)	P-valuea
Age, years				0.188
<60	80	42	38
≥60	80	35	45
Family history				0.472
Absent	147	72	75
Present	13	5	8
Tumor grade				0.776
I–II	125	62	63
III	35	15	20
TNM stage				0.006
I	39	28	11
II	55	32	23
III	45	13	32
IV	21	4	17
Lymph node metastasis				0.017
Negative	78	27	51
Positive	82	50	32
ER status				0.696
Negative	87	43	44
Positive	73	34	39
PR status				0.574
Negative	20	8	12
Positive	140	69	71
HER2 status				0.726
Negative	47	22	25
Positive	113	55	58

^aPearson's χ² test. TNM, tumor-node-metastasis; ER, estrogen receptor; PR, progesterone receptor; HER2, human epidermal growth factor receptor-2; lncRNA, long non-coding RNA; HEIH, high expression in hepatocellular carcinoma