Multivariate analyses of prognostic factors for overall survival (proportional-hazard model)
Variable . | No. patients . | Risk, HR . | 95% CI . | P . |
|---|---|---|---|---|
| Treatment | ||||
| 2-CdA | 166 | 1.00 | NA | NA |
| CC | 162 | 0.82 | 0.55-1.21 | .308 |
| CMC | 151 | 0.98 | 0.67-1.45 | .931 |
| Age | ||||
| Younger than 65 y | 318 | 1.00 | NA | NA |
| 65 y or older | 161 | 1.49 | 1.08-2.06 | .016 |
| Sex | ||||
| Male | 304 | 1.00 | NA | NA |
| Female | 175 | 0.73 | 0.52-1.42 | .079 |
| Lymphocyte count | ||||
| Less than 100 × 109/L | 297 | 1.00 | NA | NA |
| Greater than or equal to 100 × 109/L | 182 | 1.44 | 1.03-2.00 | .032 |
| Stage | ||||
| Rai 0/II/II | 275 | 1.00 | NA | NA |
| Rai III/IV | 204 | 1.37 | 0.99-1.91 | .058 |
Variable . | No. patients . | Risk, HR . | 95% CI . | P . |
|---|---|---|---|---|
| Treatment | ||||
| 2-CdA | 166 | 1.00 | NA | NA |
| CC | 162 | 0.82 | 0.55-1.21 | .308 |
| CMC | 151 | 0.98 | 0.67-1.45 | .931 |
| Age | ||||
| Younger than 65 y | 318 | 1.00 | NA | NA |
| 65 y or older | 161 | 1.49 | 1.08-2.06 | .016 |
| Sex | ||||
| Male | 304 | 1.00 | NA | NA |
| Female | 175 | 0.73 | 0.52-1.42 | .079 |
| Lymphocyte count | ||||
| Less than 100 × 109/L | 297 | 1.00 | NA | NA |
| Greater than or equal to 100 × 109/L | 182 | 1.44 | 1.03-2.00 | .032 |
| Stage | ||||
| Rai 0/II/II | 275 | 1.00 | NA | NA |
| Rai III/IV | 204 | 1.37 | 0.99-1.91 | .058 |
HR indicates hazard ratio; CI, confidence interval; NA, not applicable.