Table 1. Associations between clinicopathological features and immune scores in 346 liver cancer patients.

Immune scores
Characteristics	Total	Low	Medium	High	χ2 value	p-value
Sample sizes	346	35	198	113
Age (y)					6.16	0.63
< 40	32	5	17	10
40–49	38	2	25	11
50–59	93	13	47	33
60–69	112	8	67	37
≥ 70	71	7	42	22
Tumor grade					4.68	0.59
G1	46	6	28	12
G2	169	12	98	59
G3	118	16	65	37
G4	13	1	7	5
Stage					8.53	0.20
Stage I	171	12	96	63
Stage II	85	8	49	28
Stage III	84	14	49	21
Stage IV	6	1	4	1

p < 0.05; difference was statistically significant.