Table 5. Multivariate analysis of factors affecting OS in NSCLC patients (as RPA and GPA entered) Cox’s regression model.
| Variables | B | SE | Wald | Sig | Exp (B) | 95% CI for Exp (B) |
|---|---|---|---|---|---|---|
| Histology | 0.317 | 0.120 | 7.000 | 0.008 | 1.373 | 1.086-1.737 |
| TKIs | -0.372 | 0.089 | 17.594 | 0.000 | 0.701 | 0.580-0.820 |
| KPS | -0.430 | 0.155 | 7.725 | 0.005 | 0.651 | 0.481-0.881 |
| GPA | -0.866 | 0.160 | 29.331 | 0.000 | 0.421 | 0.307-0.575 |
| RPA | 0.370 | 0.168 | 4.846 | 0.028 | 1.448 | 1.041-2,014 |
KPS: Karnofsky performance status; RPA: recursive partitional analysis; GPA: graded prognostic assessment; OS: overall survival; TKIs: tyrosine kinase inhibitors