Table 2. Correlation of EHF expression to clinicopathological features in PDAC.

Parameters	EHF (n)		χ2	P	Spearman r
	Low	High
Age (yr)
<60	35	12	0.306	0.580	0.056
≥60	34	15
Sex
Male	36	16	0.392	0.531	−0.064
Female	33	11
Histological grade
G1, G2	40	23	6.371	0.012a	−0.258
G3	29	4
pTNM stage
IA, IB	14	11	4.214	0.040a	−0.210
IIA, IIB	55	16
CD8
≤20/HP	53	10	13.609	0.000a	0.377
>20/HP	16	17
T reg cell
≤20/HP	27	20	9.483	0.002a	−0.314
>20/HP	42	7
MDSC
≤10/HP	17	13	4.993	0.025a	−0.228
>10/HP	52	14

Data were based on tissue IF assay. Statistical data on EHF expression in relation to clinic-histopathologic features for surgical PDAC specimens. P values were calculated using the χ² test.

^aStatistically significant (P < 0.05).