Table 2:
Multivariate Cox Proportional Hazard Regression Model for Overall Survival
| Variable | Adjusted Hazard Ratio (95% CI) | p-value |
|---|---|---|
| Treatment with anti-VEGF antibody | 0.62 (0.28–0.99) | 0.049 |
| Age | 0.92 (0.82–1.03) | 0.16 |
| Sex | 0.86 (0.55–1.34) | 0.51 |
| Race/Ethnicity | ||
| 1) Blacks vs. Non-Hispanic Whites | 1.25 (0.65–2.39) | 0.48 |
| 2) Hispanic Whites vs. Non-Hispanic Whites | 1.28 (0.65–2.53) | 0.47 |
| 3) Blacks vs. Hispanic Whites | 0.97 (0.60–1.57) | 0.92 |
| ECOG Performance Status | 1.34 (0.97–1.85) | 0.07 |
| Total Number of Metastases | 1.19 (1.05–1.35) | 0.005 |
| EGFR mutation status (ex19del/ex21 L858R) | 0.33 (0.14–0.79) | 0.01 |