Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
PD-L1 expression depending on different cutoff values in pleural tissue and PE.
| cutoff value | pleural % (cases) | cell block % (cases) | χ2 value | P value | κappa |
|---|---|---|---|---|---|
| 1 | 64.71(33/51) | 64.71(33/51) | 0.878 | 0.349 | 0.227 |
| 3 | 35.29(18/51) | 41.18(21/51) | 0.298 | 0.585 | 0.131 |
| ≥5 | 11.76(6/51) | 23.53(12/51) | 7.367 | 0.007 | 0.605 |
There is statistically significant difference when P <0.05.
