Comparison of Clinical Features of ET Patients With Monoclonal or Polyclonal Hematopoiesis
| . | Monoclonal Hematopoiesis (n = 10) . | Polyclonal Hematopoiesis (n = 13) . | Difference . |
|---|---|---|---|
| Median age at diagnosis (yr) | 48 (10-61) | 40 (14-81) | NS |
| Median follow-up (mo) | 83 (18-260) | 32 (6-116) | NS |
| Median platelet count at diagnosis (×109/L) | 722 (600-1,457) | 778 (600-1,917) | NS |
| Hepatosplenomegaly | 5 (50%) | 2 (15%) | .05 < P < .1 |
| Thrombosis | 6 (60%) | 2 (15%) | P < .05 |
| Hemorrhage | 1 (10%) | 0 (0%) | NS |
| . | Monoclonal Hematopoiesis (n = 10) . | Polyclonal Hematopoiesis (n = 13) . | Difference . |
|---|---|---|---|
| Median age at diagnosis (yr) | 48 (10-61) | 40 (14-81) | NS |
| Median follow-up (mo) | 83 (18-260) | 32 (6-116) | NS |
| Median platelet count at diagnosis (×109/L) | 722 (600-1,457) | 778 (600-1,917) | NS |
| Hepatosplenomegaly | 5 (50%) | 2 (15%) | .05 < P < .1 |
| Thrombosis | 6 (60%) | 2 (15%) | P < .05 |
| Hemorrhage | 1 (10%) | 0 (0%) | NS |
Abbreviation: NS, not significant.