Table 1.

Distribution of B7-H4, PD-L1 tumor, and stroma QIF and TILs quantification by H&E in Yale and University of Michigan (UM) cohorts

Variable	Yale	Cohorts	UM	Cohorts
	N = 561a	%	N = 473a	%
B7-H4 tumor
Positive	257	45.8	198	44.6
B7-H4 stroma
Positive	164	29.2	116	26.1
PD-L1 tumor
Positive	43	7.7	77	17
PD-L1 stroma
Positive	55	9.8	61	13.6
PD-L1 any positivity
Positive	72	12.8	98	21.8
TILs
0–10	170	41.8	212	50.5
11–20	88	21.6	60	14.3
21–30	75	18.4	52	12.4
31–40	17	4.2	22	5.2
41–50	13	3.2	14	3.3
>50	44	10.8	60	14.3
TILs
Low	363	89.2	360	85.7
High	44	10.8	60	14.3

^aThe actual number of cases for analysis for each marker is different due to loss of tissue or the absence of tumor cells in some spots