Table 1.

Baseline characteristics of students in the control and printing groups

Group	Control	Printing	p-value
ASD (n = 74)	33	41
Female (%)	79	73	0.6
Age (years)	21.8 ± 1.2	21.7 ± 0.8	0.53
Pre-test score (/20)	10.5 ± 0.4	11.1 ± 0.3	0.21
VSD (n = 50)	25	25
Female (%)	78	72	0.62
Age (years)	22.2 ± 2.2	21.8 ± 0.9	0.86
Pre-test score (/20)	9.8 ± 0.5	10.0 ± 0.5	0.77
CoA (n = 118)	53	65
Female (%)	60	66	0.56
Age (years)	22.8 ± 1.3	22.8 ± 2.0	0.82
Pre-test score (/20)	12.8 ± 0.3	12.9 ± 0.3	0.74
ToF (n = 105)	53	52
Female (%)	69	77	0.49
Age (years)	22.8 ± 1.3	22.8 ± 2.0	0.82
Pre-test score (/20)	11.8 ± 0.3	11.7 ± 0.3	0.89

ASD Atrial septal defect, CoA Coarctation of the aorta, CHD Congenital heart defects, ToF Tetralogy of Fallot, VSD Ventricular septal defect