Table 1 Clinical variables (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 %)