Learning by teaching basic life support: a non-randomized controlled trial with medical students

BMC Medical Education

Table 2 Paired analysis in the theoretical and practical pre- and post-tests between case and control groups

Assessment (maximum)	Group	n	Pre-testx±s	Post-test x ± s	p value	Difference between post- and pre-	p value of the difference
Theoretical test (20 marks)	Case	34	10,1 ± 3,0	16,4 ± 1,7	< 0,001 ^a	6,3 ± 2,8	< 0,001 ^c
Theoretical test (20 marks)	Control	35	11,2 ± 2,6	15,0 ± 2,3	< 0,001 ^a	3,8 ± 2,5	< 0,001 ^c
Practical assessment (17 marks)	Case	50	13,3 ± 2,1 ^e	15,3 ± 1,2 ^e	< 0,001 ^b	2,1 ± 2,0 ^e	< 0,001 ^d
Practical assessment (17 marks)	Control	36	14,4 ± 1,6^e	14,4 ± 1,4^e	0,877^b	0,0 ± 1,6^e	< 0,001 ^d

x ± s– mean ± standard deviation
^aPaired Student’s T test
^b Wilcoxon signed-rank test
^cStudent’s T test
^dMann Whitney
^e Nonparametric
The first practical assessment was the practical pre-test and the second one was the practical post-test

ISSN: 1472-6920