Table 1.
Cytopenias in MDS
| Cytopenias | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Marrow blasts | None, n | None, % | 1, n | 1, % | 2, n | 2, % | 3, n | 3, % | Total |
| Less than normal* | |||||||||
| <5% | 106 | 2.3 | 1946 | 43 | 1543 | 34 | 950 | 21 | 4545 |
| ≥5% | 19 | 0.8 | 421 | 17 | 927 | 38 | 1100 | 45 | 2467 |
| Total | 125 | 1.8 | 2367 | 34 | 2470 | 35 | 2050 | 29 | 7012 |
| Less than normal, without CMML* | |||||||||
| <5% | 73 | 1.7 | 1814 | 43 | 1395 | 33 | 912 | 22 | 4194 |
| ≥5% | 8 | 0.4 | 318 | 15 | 792 | 37 | 1047 | 48 | 2165 |
| Total | 81 | 1.3 | 2132 | 34 | 2187 | 34 | 1959 | 31 | 6359 |
| WHO categorization† | |||||||||
| <5% | 1040 | 23 | 1988 | 44 | 1064 | 23 | 453 | 10 | 4545 |
| ≥5% | 197 | 8 | 776 | 32 | 922 | 37 | 572 | 23 | 2467 |
| Total | 1237 | 18 | 2764 | 39 | 1986 | 28 | 1025 | 15 | 7012 |
Percent values rounded off except for values <3%. Data obtained from Greenberg et al.12
CMML, chronic myelomonocytic leukemia.
*
Standard values: Hb <13 g/dL (males), <12 g/dL (females), ANC <1.8 × 109/L, platelets <150 × 109/L.
†
IPSS values: Hb <10 g/dL, ANC <1.8 × 109/L, platelets <100 × 109/L.