The Association between Myocardial Iron Load and Ventricular Repolarization Parameters in Asymptomatic Beta-Thalassemia Patients

Table 1

Clinical, demographic, and laboratory characteristics of the study population.

	β-TM (𝑛=22)	Control (𝑛=22)	P value
Age (years)	26±9	28±7	0.47
Gender
Female/male (𝑛)	14/8	16/6	0.33
BMI (kg/m^2)	23±2.0	24±1.6	0.44
SBP (mmHg)	122±14	121±16	0.36
DBP (mmHg)	81±6	70±7	0.22
Heart rate (bpm)	85±8	76±7	0.004
Hemoglobin (g/dL)	10.4±1.3	13.3±1.2	0.001
Hematocrit (%)	34.3±6.6	44.2±2.6	0.001
Cardiac T2^∗ MRI (ms)	23±16	—	—
Chelation therapy (%)	100	—	—

β-TM: β-thalassemia major; BMI: body-mass index; SBP: systolic blood pressure; DBP: diastolic blood pressure; MRI: magnetic resonance imaging.