Table 3.

Association between PD-L1 expression in tumor-infiltrating mononuclear cells (TIMCs) and clinico-pathological factors^a

Characteristic	% Positive tumor- infiltrating mononuclear cells			p-value
	Score < 5 (low) (n = 27, 57.4%), n	Score ≥ 5 (high) (n = 20, 42.6%), n	Total (n = 47)‚ n
Gender				> 0.999
Male	15	11	26
Female	12	9	21
Age				0.769
65≥	14	11	25
65<	13	9	22
Stage				0.073
I + II	19	8	27
III + IV	8	12	20
Recurrence or metastasis after surgery				0.011
No	19	12	31
Yes	8	8	16
Outcome				0.049
Alive	23	12	35
Death	4	8	12

^aFisher’s exact test