Table 4.
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 |