Table 2.

Multivariate analyses of prognostic factors associated with survival

Group	n	PI9 (n)		χ2	P
		High	Low
Age
≥ 45	56	42	14	0.170	0.680
< 45	49	35	14
Gender
Male	80	59	21	0.030	0.863
Female	25	18	7
Tumor size (cm)
< 4.5	54	34	20	6.664	0.013*
≥ 4.5	51	43	8
Tumor number
Single	72	52	20	0.253	0.615
Multiple	33	25	8
TNM
I/II	50	28	22	4.665	0.000***
III/IV	55	49	6
HBsAg
Negative	18	12	6	0.482	0.494
Positive	87	65	22
Differentiation degree
Well/Moderate	66	44	22	4.038	0.044*
Poor	39	33	6
Neoplasm metastasis
No	89	66	23	0.203	0.652
Yes	16	11	5
PI9 expression
High	57	47	10	4.420	0.036*
Low	48	30	18

^*P < 0.05;

^***P < 0.001.