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.
Results of the multivariable Cox proportional hazards model.
| Categories | Stratifications | Hazard Ratio (95% CI) | p-Value |
|---|---|---|---|
| NESMS | 0 | 3.21 (1.44, 7.18) | 0.0045 |
| 1 | 2.57 (1.47, 4.50) | 0.0010 | |
| 2 | 1 | ||
| Chronicity | Synchronous | 1.88 (1.13, 3.12) | 0.0149 |
| Metachronous | 1 | ||
| EGFR mutation | Positive | 2.10 (1.30, 3.38) | 0.0024 |
| Negative | 1 |
