Table 2.

Comparison of the mean and standard deviation of knowledge scores of operating room nurses in three educational groups in the pre-and post-intervention phase

Educational group	Study stage	Mean ± Standard deviation	Lowest score	Highest score	Shapiro-Wilk	Paired sample t-test
Principles of moving, transferring and positioning the patient in the operating room	Before the intervention (level determination test)	6±3.42	1	12	P>0.05	P<0.001
	After the intervention (final exam)	13.3 ± 1.32	12	15
Anatomy of the heart	Before intervention	8.7 ± 3.97	4	15	P>0.05	P<0.001
	After intervention	18.1 ± 1.07	16	20
Principles of ergonomics in the operating room	Before intervention	2.6 ± 1.57	1	5	P > 0.05	P < 0.001
	After intervention	9.1 ± 0.73	8	10
Total	Before intervention	5.9 ± 3.96	1	8	P > 0.05	P < 0.001
	After intervention	13.6 ± 3.77	15	20