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Table 2 Mononuclear and epithelial PD-L1 expressions in cervical tissue specimens of patients in the groups

From: Overexpression of programmed cell death ligand 1 in patients with CIN and its correlation with human papillomavirus infection and CIN persistence

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

 

2

5

8

7

9

 

3

2

0

5

9

 

Epithelial PD-L1

Expression, n (%)

0

22

14

15

9

0.0394

1

4

6

1

8

 

2

3

1

2

3

 

3

0

0

2

4

 
  1. #Chi-Squared test
  2. Mononuclear PD-L1 expression: Grup I vs II: 0.0477, group I vs III; 0.0125, group I vs IV: 0.0016, group II vs III: 0.0302, group II vs IV: 0.0034, group II vs IV: 0.3827
  3. Epithelial PD-L1 expression: Group I vs II: 0.3776, group I vs III: 0.2840, group I vs IV: 0.0154, group II vs III: 0.1156, group II vs IV: 0.0130, group III vs IV: 0.0573