From: Usage of 3D models of tetralogy of Fallot for medical education: impact on learning congenital heart disease
Study group
Mean pre-test score
Mean post-test score
P-value
2D Images
3.8 ± 1.5
6.3 ± 1.2
<0.01
3D Models
4.3 ± 1.9
6.0 ± 1.6