Table 1.
Relationship between CD8-positive TILs count and biomarkers
| Variable | CD8-positive TILs count | P-value | |
|---|---|---|---|
| PD-L1 | 0.010 | ||
| Negative | 111 | 69.66±47.91 | |
| Positive | 59 | 93.75±60.95 | |
| Cox-2 | 0.020 | ||
| Low | 92 | 86.78±54.74 | |
| High | 78 | 67.68±51.25 | |
| EGFR mutation | 0.040 | ||
| Negative | 50 | 83.80±49.25 | |
| Positive | 43 | 62.84±47.41 | |
| Smoking status | 0.124 | ||
| Never | 90 | 71.97±49.83 | |
| Smoker | 80 | 84.83±57.63 | |
| Lymphocyte count | 0.575 | ||
| <1900 | 86 | 75.72±54.75 | |
| >1900 | 84 | 80.37±53.17 |
Abbreviations: CD8-positive TILs, tumor-infiltrating CD8-positive T lymphocytes; Cox-2, cyclooxygenase-2; PD-L1, programmed cell death-1 ligand 1.