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Comparison of PD-1/PDL-1 in lung tissue and PPB of the LC and the benign (cases,%).
| Groups | n | Cancer tissue PD-1 | Cancer tissue PDL-1 | PPB PD-1 | PPB PDL-1 |
|---|---|---|---|---|---|
| The LC | 72 | 55 (76.39) | 41 (56.94) | 34 (47.22) | 24 (33.33) |
| The benign | 39 | 8 (20.51) | 6 (15.38) | 41 (0.26) | 4 (10.26) |
| χ2 | 32.180 | 17.897 | 15.354 | 7.142 | |
| p | < 0.001 | < 0.001 | < 0.001 | 0.008 |
