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Table 1 Characteristics of MDS patients (n = 58)

From: Short telomere length and its correlation with gene mutations in myelodysplastic syndrome

Characteristics Number (%)
Gender (Male/female) 37: 21
Median age (year, range) 69 (18–86)
Age (years)  
 <60 22 (37.9)
 ≥60 36 (62.1)
Complete blood count at bone marrow sample collection
 White blood cell (103/μL) 2.6 (0.6–17.2)
 Hemoglobin (g/dL) 8.0 (4.4–12.2)
 Absolute neutrophil count (/μL) 1151 (80–11,345)
 Platelet count (103/μL) 74.5 (3–1029)
Median bone marrow blast (%, range) 2.3 (0.0–18.1)
WHO category
 RCUD 12 (20.7)
 RARS 4 (6.9)
 RCMD 13 (22.4)
 RAEB 20 (34.5)
 MDS, U 9 (15.5)
IPSS risk groups
 Low 8 (13.8)
 Intermediate-1 28 (48.3)
 Intermediate-2 15 (25.9)
 High 7 (12.1)
Revised IPSS
 Very low 4 (6.9)
 Low 14 (24.1)
 Intermediate 14 (24.1)
 High 14 (24.1)
 Very High 12 (20.7)
Cytogenetic results
 Karyotype
  Abnormal karyotype 32 (55.2)
  Complex karyotype (>3 abnormalities) 9 (15.5)
  del(5q)/ –5 6 (10.5)
  del(7q)/ –7 8 (14.0)
  Trisomy 8 8 (14.0)
  Abnormal 17p 3 (5.2)
  del(20q) 5 (8.8)
 Fluorescence in situ hybridization
  Abnormal chromosome 1a 5 (11.1)
  Abnormal chromosome 5b 8 (17.4)
  Abnormal chromosome 7b 9 (19.6)
  Abnormal chromosome 8b 7 (15.2)
  Abnormal chromosome 20b 4 (8.7)
  1. RCUD refractory cytopenia of unilineage dysplasia, RCMD refractory cytopenia of multilineage dysplasia, MDS, U myelodysplastic syndrome, unclassifiable, IPSS International Prognostic Scoring System
  2. aOnly performed in 45 patients
  3. bPerformed in 46 patients