Table 1.

The relationship between KRT19P3 and PD-L1, CD8 in BC tissues.

	Number	KRT19P3		χ2	P-value
		Low expression	High expression
PD-L1				4. 139	0. 047*
Negative	11	4	7
Positive	69	47	22
CD8				3. 982	0. 046*
Negative	26	12	14
Positive	54	13	41

*P < 0.05.