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Association between PD-L1 expression and other markers.
| PD-L1 | P | ||
| Positive (n = 57) | Negative (n = 40) | ||
| PD-1 status, n (%)∗ | <.001 | ||
| Negative | 36 (63.2) | 31 (77.5) | |
| Positive | 21 (36.8) | 9 (22.5) | |
| Ki-67 index, median (IQR)∗∗ | 50% (35%) | 20% (48%) | .001 |
| P53 status, n (%)∗∗ | .078 | ||
| Negative | 8 (14.0) | 7 (17.5) | |
| Week | 5 (8.0) | 8 (20.0) | |
| Normal | 38 (66.7) | 24 (60.0) | |
| Strong | 6 (10.5) | 1 (2.5) | |
| EGFR mutation, n (%) | .395 | ||
| Negative | 10 (55.6) | 7 (41.2) | |
| Positive | 8 (44.4) | 10 (58.8) | |
