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Correlation between mRNA and protein expression of PD-L1.
| PD-L1 mRNA expression | PD-L1 protein expression | Coincidence rate (%) | χ 2 | P value | |
|---|---|---|---|---|---|
| + | − | ||||
| High expression | 17 | 0 | 100 | ||
| Moderate expression | 15 | 7 | 68.18 | 32.392 | <0.001 |
| Low expression | 1 | 16 | 94.12 | ||
≤Spearman correlation coefficient r = 0.745.
