Table 1. Results of CD68 and CD20 immunohistochemistry scoring.

Immune marker	CD68 n (%)	CD20 n (%)
Dichotomized total score*	< 8 vs ≥ 8	< 5 vs ≥ 5
Low expression	65 (46.1)	50 (35.5)
High expression	76 (53.9)	91 (64.5)
Dichotomized tumor (intraepithelial) compartment score	< 2 vs ≥ 2	< 2 vs ≥ 2
Low expression	33 (23.4)	118 (83.6)
High expression	108 (76.6)	23 (16.4)
Dichotomized stroma compartment score	< 3 vs ≥ 3	< 2 vs ≥ 2
Low expression	30 (21.3)	46 (32.6)
High expression	111 (78.7)	95 (67.4)
Dichotomized peripheral compartment score	< 3 vs ≥ 3	< 2 vs ≥ 2
Low expression	52 (36.9)	12 (8.5)
High expression	89 (63.1)	129 (91.5)

^*Dichotomized labelling (low vs high expression) based on the median value of immune marker expression. Total score accounted for all three compartment scores (tumor, stroma, periphery).