Cell Counts, rather than Proportion, of CD8/PD-1 Tumor-Infiltrating Lymphocytes in a Tumor Microenvironment Associated with Pathological Characteristics of Chinese Invasive Ductal Breast Cancer

Table 5

Correlation between cell counts of CD8/PD-1 TILs and other molecules in breast cancer.

	CD8^+ TILs		CD8^+/PD1^+TIL s		CD8^+/PD1^-TILs
CK7, median (IQR)		0.993		0.745		0.856
No	27 (40)		4 (7)		19 (36)
Yes	20 (30)		3 (7)		16 (24)
CK20, median (IQR)		0.042		0.362		0.025
No	20 (27)		3 (7)		16 (24)
Yes	39 (50)		8 (10)		33 (41)
E-Cad, median (IQR)		0.043		0.211		0.045
No	7 (11)		2 (4)		6 (8)
Yes	18 (24)		3 (6)		14 (21)
Ki-67 index, correlation coefficient^†	0.23	0.009	0.19	0.036	0.21	0.022

Wilcoxon test. ^†Spearman correlation test.