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Table 1 Comparison of pre-test, immediate post-test and the delayed post-test scores between intervention and non-intervention groups

From: Influence of pretesting and a near peer sharing real life experiences on CPR training outcomes in first year medical students: a non-randomized quasi-experimental study

Test

Intervention groups

Non-intervention groups

H value (Kruskal- Wallis test)

p Value (Kruskal- Wallis test)

Mean difference and 95% Confidence interval

Pre-tested (A2)

Non pre-tested (B1)

Combined scores

Pre-tested (A1)

Non pre-tested (B2)

Combined scores

Pre-test

5.11 ± 1.53

NA

NA

5.23 ± 1.88

NA

NA

NA

0.82

0.12 (−0.53 to 0.77)

Immediate post-test

12.82 ± 1.22°

12.23 ± 1.68¤

12.53 ± 2.21

12.22 ± 1.58*

11.38 ± 1.31*°¤

11.80 ± 2.28

28.293

< 0.001

−0.77 (−1.15 to − 0.39)

Delayed post-test

11.03 ± 1.86

9.92 ± 2.08

10.20 ± 2.07

10.51 ± 2.14

9.8 ± 2.14

10.50 ± 2.11

7.613

0.05

0.29 (−0.26 to 0.85)

  1. NA Not applicable
  2. *p = 0.02, ° p < 0.001, ¤ p = 0.002 as calculated using the Mann-Whitney U test. P value less than 0.05 was considered statistically significant