Table 2.

PD-L1, CD8, CD4 and Foxp3 expression rate

Factors	Cut off value	N (%)
PD-L1 expression
Negative	< 1%	25 (26)
Positive	≥ 1%	70 (74)
CD8 expression in whole tumor
Negative	< 5%	43 (45)
Positive	≥ 5%	52 (55)
CD8 expression in cancer nest
Negative	< 5%	24 (25)
Positive	≥ 5%	71 (75)
CD8 expression in cancer stroma
Negative	< 5%	45 (47)
Positive	≥ 5%	50 (53)
CD4 expression in whole tumor
Negative	< 5%	19 (20)
Positive	≥ 5%	76 (80)
CD4 expression in cancer nest
Negative	< 5%	80 (84)
Positive	≥ 5%	15 (16)
CD4 expression in cancer stroma
Negative	< 5%	17 (18)
Positive	≥ 5%	78 (82)
Foxp3 expression
Negative	< 5%	52 (55)
Positive	≥ 5%	43 (45)