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Patient tumor characteristics and frequency of PD-L1 expression
| No. Patients | 0 | 1 | 2 | 3 | P-value | |
|---|---|---|---|---|---|---|
| PD-L1 Level, n (%) | ||||||
| Stage of cancer | ||||||
| I-II | 9 | 4 (44.4) | 3 (33.3) | 1 (11.1) | 1 (11.1) | 0.033 |
| III-IV | 46 | 33 (71.7) | 11 (23.9) | 2 (4.3) | 0 (0.0) | |
| Tumor grade | ||||||
| 1–2 | 13 | 12 (92.3) | 1 (7.7) | 0 (0.0) | 0 (0.0) | 0.033 |
| 3 | 41 | 24 (58.5) | 13 (31.7) | 3 (7.3) | 1 (2.4) | |
Significant P- values in table are indicated in italics
