Table 1.

Association between B7-H3 & B7-H4 expression and clinic-pathological parameters in PAAD

Clinic-pathological parameters	Cases	B7-H3 expression		χ2 value	P value	B7-H4 expression		χ2 value	P value
		Low	High			Low	High
Gender
Female	46	24	22	0.156	0.693	24	22	0.698	0.404
Male	58	28	30			35	23
Age
≤ 60	47	25	22	0.349	0.554	22	25	3.439	0.064
> 60	57	27	30			37	20
Differentiation
Well	65	39	26	5.455	0.020	42	23	6.292	0.012
Moderate & poor	34	12	22			13	21
T stage
T1-2	29	17	12	0.829	0.363	19	10	1.466	0.226
T3-4	56	27	29			29	27
N stage
N0	48	25	23	0.157	0.692	28	20	0.009	0.925
N1	54	26	28			31	23
M stage
M0	98	51	47	/	0.205*	58	40	/	0.083*
M1	6	1	5			1	5
Clinical stage
1-2A	46	25	21	0.624	0.430	27	19	0.130	0.719
2B-4	58	27	31			32	26

Note: *P value was calculated by Fisher test