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Table 1 Clinical variables (N = 422)

From: A systematic classification of megakaryocytic dysplasia and its impact on prognosis for patients with myelodysplastic syndromes

  Subjects (n = 422)
Median age (range, years) 50 (16–83)
Male 286 (68 %)
WHO classification
 RA 22 (5 %)
 RN 2
 RT 3
 RARS 24 (6 %)
 RCMD 198 (47 %)
 RAEB-1 84 (20 %)
 RAEB-2 76 (18 %)
 MDS-U 8
 MDS with del(5q) only 5
IPSS-R cytogenetic category
 Very-good 6
 Good 208 (49 %)
 Intermediate 143 (34 %)
 Poor 23 (5 %)
 Very-poor 42 (10 %)
IPSS-R (%)
 Very-low 6
 Low 99 (23 %)
 Intermediate 135 (32 %)
 High 105 (25 %)
 Very-high 77 (18 %)