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Table 2 Correlation of infiltration of TIL and expression of PD-L1 in tumor tissues of 83 NPC patients

From: CD3+T-lymphocyte infiltration is an independent prognostic factor for advanced nasopharyngeal carcinoma

 

PD-L1 in Tumor cells

*P

+

Total TIL

 High

11 (24)

35 (76)

0.230

 Low

14 (38)

23 (62)

 

CD3+ TIL

 High

9 (19)

39 (81)

0.015

 Low

16 (46)

19 (54)

 

CD8+ TIL

 High

13 (23)

43 (77)

0.073

 Low

12 (44)

15 (56)

 

FOXP3+/CD3+ TIL

 Low (≤ 10% of CD3 + TIL)

15 (28)

38 (72)

 

 High (> 10% of CD3 + TIL)

10 (33)

20 (67)

0.629

PD-1 +/CD3+ TIL

 Low (<  10% of CD3 + TIL)

9 (27)

24 (73)

 

 High (≥ 10% of CD3 + TIL)

16 (35)

30 (65)

0.625

  1. (+ and -) are number of positive and negative patients, *P values in bold represent significant data as calculated using Fisher’s Exact Test, ♣Numbers between brackets are the percentages of patients, Four samples had unknown PD-1 status