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Table 3 Comparison between the performance of the community and the students

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

Assessment (maximum) Students Community p value
Group n x ± s n x ± s  
Theoretical pre-test (20 marks) All 73 10,6 ± 2,8 228 7,9 ± 3,6c < 0,001 a
Theoretical post-test (20 marks) Case 34 16,4 ± 1,7 166 13,4 ± 3,2c < 0,001 a
Control 37 15,0 ± 2,3 166 13,4 ± 3,2c 0,001 a
Theoretical variation (post-test – pre-test) Case 34 6,3 ± 2,8 155 5,4 ± 4,0 0,229b
Control 35 3,8 ± 2,5 155 5,4 ± 4,0 0,003 b
Practical (17 marks) All 91 13,8 ± 2,0c,d 162 11,7 ± 3,2c < 0,001 a
  1. x ± s – mean ± standard deviation
  2. aMann Whitney
  3. bStudent’s T test
  4. c Nonparametric
  5. d1st practical assessment