Table 3.

Comparison of the self-evaluation of comprehensive ability and the teaching satisfaction score of the 2 groups (point, [$\overline{\text{x}}$ ± s]).

	3D printing group	Traditional group
Observation indices	n = 66	n = 66	z value	P value
Interest in learning about congenital heart disease.	(4.44 ± 0.66)	(4.18 ± 0.70)	2.18	.03
Anatomy knowledge in the cardiovascular system.	(4.41 ± 0.61)	(4.11 ± 0.50)	3.32	<.01
Ability to understand the knowledge of congenital heart disease.	(4.44 ± 0.64)	(4.06 ± 0.52)	3.79	<.01
Ability to understand the nursing knowledge of congenital heart disease.	(4.48 ± 0.56)	(4.24 ± 0.56)	2.49	.01
Confidence in nursing child patients with congenital heart disease.	(4.45 ± 0.61)	(4.18 ± 0.58)	2.71	<.01
Satisfaction with teaching methods.	(4.50 ± 0.59)	(4.23 ± 0.67)	3.36	.02