Table 3.
The mean survival time and positive expression of PD-L1 in patients under anticancer therapy.
| cutoff value | specimen | PD-L1 expression | mean survival time (month) |
standard deviation (month) |
95% confidence interval | χ2 value | P value | |
|---|---|---|---|---|---|---|---|---|
| lower | upper | |||||||
| 1 | pleural | − | 26.727 | 3.284 | 20.291 | 33.164 | 0.415 | 0.519 |
| + | 28.634 | 3.700 | 21.244 | 36.023 | ||||
| cell | − | 30.750 | 3.859 | 23.187 | 38.313 | 2.134 | 0.144 | |
| block | + | 21.528 | 1.692 | 18.212 | 24.843 | |||
| 3 | pleural | − | 26.850 | 2.737 | 21.485 | 32.215 | 0.028 | 0.868 |
| + | 20.200 | 1.953 | 16.371 | 24.029 | ||||
| cell | − | 30.426 | 2.999 | 24.548 | 36.304 | 2.912 | 0.088 | |
| block | + | 19.727 | 2.197 | 15.422 | 24.033 | |||
| 5 | pleural | − | ||||||
| + | ||||||||
| cell | − | 29.944 | 2.671 | 24.710 | 35.179 | 4.507 | 0.034 | |
| block | + | 17.370 | 1.827 | 13.789 | 20.951 | |||
There is statistically significant difference when P < 0.05.