Table 4

Frequency of analysis units of revised and unrevised paper in critical appraisal topics of discussions
analysis units of revised papers (n = 24) analysis units of unrevised papers (n = 23) Mann–Whitney U test Effect size (Cohens’d)
Critical appraisal topics of discussion frequency median (min-max) frequency median (min-max) P-value
(1) Literature search regarding the clinical problem 258 9.74 (2.75–30.16) 173 8 (0–22.43) P < .070 0.56
(2) Appraisal of the selected article(s) 276 9.72 (1.41–32.64) 137 4.7 (0–15) P< .007 0.86
(3) Relevant conclusion regarding the clinical problem 162 6.5 (0–12.69) 47 1.6 (0–9.29) P< .000 1.54

Koops et al.

Koops et al. BMC Medical Education 2012 12:79   doi:10.1186/1472-6920-12-79

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