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. 2019 Dec 9;19:345. doi: 10.1186/s12877-019-1344-3

Table 3.

Pre- and post forum results of the 38 participants

Characteristic Pre-forum Post-forum Wilcoxon signed rank-test Difference
Knowledge scoresa, median (IQR) 3 (2 to 4)b 5 (3 to 6)c Z = −4.14 p = < .001
VAS scores, median (IQR) 90 (60 to 100)c 90 (70 to 100) Z = − 2.41 p = .016

aThe composite ‘knowledge score’ was based on the the total number of predetermined correct answers to six selected multiple-choice statements combined (range 0–6), bn = 33, cn = 37