Table 5 Comparison of PD1/PD-L1 between OSCC and oral leukoplakia.

From: Correlation of PD-1 and PD-L1 expression in oral leukoplakia and oral squamous cell carcinoma: an immunohistochemical study

Marker

Expression

Number of samples

OSCC

Oral leukoplakia

Chi square (df)

p value

PD-L1

No staining

N (%)

1 (4%)

20 (80%)

29.63 (1)

< 0.001

staining present

N (%)

24 (96.0%)

5 (20%)

PD-L1 TAF

No staining

N (%)

6 (24%)

7 (28%)

0.104 (1)

0.747

staining present

N (%)

19 (76%)

18 (72%)

PD-1

No staining

N (%)

6 (24%)

3 (12%)

1.22 (1)

0.269

staining present

N (%)

19 (76%)

22 (88%)

  1. Significant values are in bold.
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