Table 3 Cytogenetic score groups based on R-IPSS
Cytogenetic prognosis subgroup | Cytogenetic abnormality | Total | MDS subtypes | ||||||
|---|---|---|---|---|---|---|---|---|---|
MDS-SLD | MDS-MLD | MDS-EB-1 | MDS-EB-2 | MDS with del (5q) | MDS-RS | MDS-U | |||
Very good | -y, del 11q | 3 | 2 (7.1%) | 1 (2.6%) | 0 | 0 | 0 | 0 | 0 |
Good | Normal | 59 | 17 (60.7%) | 22 (57.9%) | 11 (73.3%) | 5 (43.5%) | 0 | 1 (33.3%) | 3 (75%) |
del5q, del20q | 6 | 1 (3.5%) | 1 (2.6%) | 0 | 0 | 4 (100%) | 0 | 0 | |
Intermediate |  + 8, + 19, del 7q, i(17q), other single/double abnormalities | 26 | 8 (28.6%) | 11 (28.9%) | 3 (20%) | 1 (9.1%) | 0 | 2 (66.7%) | 1 (25%) |
Poor | -7, inv (3), double including − 7/del(7q) and complex (3 abnormalities) | 9 | 0 | 3 (7.9%) | 1 (6.6%) | 5 (45.5%) | 0 | 0 | 0 |
Very poor |  > 3 abnormalities | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |