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. 2017 Jun 3;8(9):1579–1585. doi: 10.7150/jca.18729

Table 4.

The correlation between PD-L1 expression on TILs and clinicopathological features of patients with GS

Characteristics N PD-L1 negative, N (%) PD-L1 positive, N (%) X2 P value
Total 63 (43.7) 81 (56.3)
Ages, years
<59 43 (52.4) 77 (48.7)
≥59 39 (47.6) 81 (51.3) 0.296 0.683
Gender
Female 26 (31.7) 46 (29.1)
Male 56 (68.3) 112 (70.9) 0.173 0.767
Stage
Ⅰ-Ⅱ 22(26.8) 22(13.9)
Ⅲ-Ⅳ 60 (73.2) 136 (86.1) 6.005 0.021
Differentiation
Poor 61 (74.4) 109 (69)
Well 21 (25.6) 49 (31) 0.763 0.455
Surgery
Yes 74 (90.2) 125 (79.1)
No 8 (9.8) 33 (20.9) 4.721 0.031
Tumor location
Proximal 23 (28) 51 (32.3)
Remote 32 (39) 55 (34.8)
Body 18 (22) 34 (21.5)
other 9 (11) 18 (11.4) 0.591 0.901