Time-dependent multivariable analysis on the risk of major thrombosis in CYTO-PV study (N = 365)
| WBC class (× 109/L) . | Events/pts (%) . | Hazard ratio (95% CI), P . |
|---|---|---|
| <7.0 | 4/100 (4.0) | 1.00 |
| 7.0-8.4 | 4/84 (4.8) | 1.58 (0.39-6.43), .52 |
| 8.5-11.0 | 8/88 (9.1) | 2.69 (0.80-9.05), .11 |
| ≥11.0 | 12/93 (12.9) | 3.90 (1.24-12.3), .02 |
| WBC class (× 109/L) . | Events/pts (%) . | Hazard ratio (95% CI), P . |
|---|---|---|
| <7.0 | 4/100 (4.0) | 1.00 |
| 7.0-8.4 | 4/84 (4.8) | 1.58 (0.39-6.43), .52 |
| 8.5-11.0 | 8/88 (9.1) | 2.69 (0.80-9.05), .11 |
| ≥11.0 | 12/93 (12.9) | 3.90 (1.24-12.3), .02 |
Adjusted for age, gender, cardiovascular risk factors, previous thrombosis, and hematocrit levels.
CI, confidence interval; pts, patients.