Table 4: Clinical characteristics of the patients affecting survival in univariate and multivariate analysis (Cox regression model).
CI*: confidence interval, NSCLC†: non-small cell lung cancer, NA‡: not assessed, KPS§: Karnofsky Performance Scale.
| Factor | median survival (month) | univariate analysis (p value) | Hazard ratio (95% CI*) | multivariate analysis (p value) | Hazard ratio (95% CI) |
| male | 9.1 | 0.024 | 1.77 (1.07, 2.91) | 0.013 | 1.94 (1.15, 3.27) |
| female | 13.6 |
| ≥ 65 years | 10.0 | 0.033 | 1.75 (1.04, 2.96) | 0.024 | 1.89 (1.09, 3.28) |
| < 65 years | 13.4 |
| NSCLC† | 11.8 | 0.083 | 1.54 (0.94, 2.50) | NA‡ | |
| non-NSCLC | 13.6 |
| presence | 11.7 | 0.066 | 1.56 (0.97, 2.50) | NA | |
| absence | 13.5 |
| under-control | 12.3 | 0.181 | 1.39 (0.86, 2.26) | NA | |
| out-of-control | 13.5 |
| ≥ 70 | 13.9 | 0.003 | 2.04 (1.26, 3.32) | 0.000 | 12.76 (3.36, 46.43) |
| < 70 | 5.6 |
| performed | 12.1 | 0.250 | 1.33 (0.82, 2.16) | 0.994 | 1.00 (0.54, 1.87) |
| not performed | 12.4 |