Table 3. Differentiation and comparison of the BSCH-defined cohort of ET patients 1, 2 by applying the diagnostic criteria of the WHO classification 3 .
| BCSH-defined ET (n=238) | WHO-defined ET (n=232) | |
|---|---|---|
| ET | 141 (59.2%) | 232 (100%) |
| prePMF | 77 (32.4%) | 0 |
| PV | 16 (6.7%) | 0 |
| PMF | 4 (1.7%) | 0 |
Abbreviations: BCSH, British Committee of Standards in Haematology; ET, essential thrombocythemia; PMF, advanced PMF; prePMF, prefibrotic primary myelofibrosis; PV, polycythemia vera.