PD-L1 Staining Score | Group 1 (n = 29) HR-HPV(−), CIN 0 | Group 2 (n = 21) HR-HPV(+), CIN 0 | Group 3 (n = 20) HR-HPV(+), CIN 1 | Group 4 (n = 24) HR-HPV(+), CIN 2–3 | P value# | |
---|---|---|---|---|---|---|
Mononuclear PD-L1 expression, n (%) | 0 | 13 | 3 | 1 | 2 | 0.0003 |
1 | 9 | 10 | 7 | 4 | Â | |
2 | 5 | 8 | 7 | 9 | Â | |
3 | 2 | 0 | 5 | 9 | Â | |
Epithelial PD-L1 Expression, n (%) | 0 | 22 | 14 | 15 | 9 | 0.0394 |
1 | 4 | 6 | 1 | 8 | Â | |
2 | 3 | 1 | 2 | 3 | Â | |
3 | 0 | 0 | 2 | 4 | Â |