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Table 1 Clinical characteristics of the study groups

From: Clinical implications of the quantitative detection of ID4 gene methylation in myelodysplastic syndrome

Group

Number of patients (total n  = 142)

NBM

20

MDS-AL

22

MDS

100

WHO subtype

100

 Low-risk

70

RA

41

 RARS

7

 RCMD

22

 High-risk

30

RAEB-1

21

RAEB-2

9

IPSS risk group

35

 Low-risk

24

 Low

2

 Int-1

22

 High-risk

11

 Int-2

11

 High

0

Karyotype

 

 Good

22

 Poor

6

  1. NBM, normal bone marrow; MDS, myelodysplastic syndrome; AL, acute leukemia; RA, refractory anemia; RARS, refractory anemia with ringed sideroblasts; RCMD, refractory cytopenia with multilineage dysplasia; RCMD-RS, refractory cytopenia with multilineage dysplasia and ringed sideroblasts; RAEB, refractoryanemia with excess of blasts; IPSS, International Prognostic Scoring System.