Multivariate analysis of initial factors predicting survival in 261 patients with PV treated with HU
| . | HR . | 95% CI . | P . |
|---|---|---|---|
| Age > 65 y | 3.0 | 1.6-5.9 | .001 |
| Male sex | 2.3 | 1.2-4.3 | .008 |
| Cardiovascular risk factors* | 1.6 | 0.8-3.2 | .2 |
| History of thrombosis | 1.4 | 0.8-2.6 | .2 |
| Hematologic values at diagnosis | |||
| Hemoglobin > 180 g/L | 0.7 | 0.4-1.3 | .2 |
| Leukocyte count > 10 × 109/L | 2.9 | 1.5-5.9 | .002 |
| Platelet count > 500 × 109/L | 0.9 | 0.5-1.8 | .9 |
| . | HR . | 95% CI . | P . |
|---|---|---|---|
| Age > 65 y | 3.0 | 1.6-5.9 | .001 |
| Male sex | 2.3 | 1.2-4.3 | .008 |
| Cardiovascular risk factors* | 1.6 | 0.8-3.2 | .2 |
| History of thrombosis | 1.4 | 0.8-2.6 | .2 |
| Hematologic values at diagnosis | |||
| Hemoglobin > 180 g/L | 0.7 | 0.4-1.3 | .2 |
| Leukocyte count > 10 × 109/L | 2.9 | 1.5-5.9 | .002 |
| Platelet count > 500 × 109/L | 0.9 | 0.5-1.8 | .9 |
Presence of either diabetes, arterial hypertension, smoking, or hypercholesterolemia.