Table 3 Correlation analysis between PD-L1 expressions in mononuclear and epithelial cells with clinopathological variables of patients

Age (year)

0.01117

0.1107

p = 0.9149

p = 0.2881

HPV types

0.2436

0.2576

p = 0.0180

p = 0.0122

Initial pap test results

0.2614

0.1619

p = 0.0109

p = 0.1190

Number of immune cells

0.1189

0.1348

p = 0.3457

p = 0.1953

HR-HPV persistence

0.2534

0.2250

p = 0.0137

p = 0.0292

CIN persistence or recurrence

0.2229

0.1198

p = 0.0308

p = 0.2499

Ki-67 expression

0.2105

0.1102

p = 0.0417

p = 0.2537

P-16 expression

0.2686

0.1905

p = 0.0088

p = 0.0659