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Table 1 Patient characteristics

From: T1 at 1.5T and 3T compared with conventional T2* at 1.5T for cardiac siderosis

Variables Patients N = 53 Controls N = 20 P-value
Age (years) 35 [24–59] 34 [25–41] 0.45
Gender (Male/Female) 33/20 9/11 0.20
Diagnosis    
TM 22   
SCA 9   
Rare hemoglobinopathies 15   
MDS 4   
Other 3   
LVEF (%) 64 [59–67]   
Myocardial T2* (ms) at 1.5T 28.1 [20.4–34.4] 30.8 [29.0–34.4] 0.14
 Full range 6.41–41.5 22.6–40.4
Myocardial T1 (ms) at 1.5T 978 [865–1039] 1014 [974–1033] 0.21
 Full range 661–1084 939–1059
Myocardial T1 (ms) at 3T 1103 [927–1148] 1165 [1119–1194] 0.001
 Full range 653–1222 1056–1224
  1. Data are expressed as median [interquartile range]. LVEF left ventricular ejection fraction, MDS, myelodysplasic syndrome, SCA sickle cell anemia, TM thalassemia major