Participants’ characteristics

Variables; mean ± standard deviation, n (%), median [range]CHD (n = 48)Control (n = 48)P value
Age at MRI, years20.16 ± 2.220.48 ± 2.0.458
Sex  
 Male20 (41.7%)20 (41.7%) 
 Female28 (58.3%)28 (58.3%) 
BMI23.59 ± 4.7823.55 ± 3.8.965
Socioeconomic statusa38.20 ± 8.4844.30 ± 6.9<.001
Type of CHD   
 Univentricular11/48 (22.9%)  
 Biventricular37/48 (77.2%)  
  • Note:—BMI indicates body mass index.

  • a Score on the Hollingshead Four-Factor Index of Social Status, with higher scores indicating higher social status.