Supporting migrants and refugees with posttraumatic stress disorder: development, pilot implementation, and pilot evaluation of a continuing interprofessional education for healthcare providers

Table 6 Comparison of the number of correct and incorrect answers in the knowledge test before and after the CIPE intervention (step 6)

Variable (possible range)	pre-intervention	post-intervention	significance test
Variable (possible range)	Median (IQR)		significance test
Correct answers (0–18)	14 (3)	16 (1)	≤ .003^a
Incorrect answers (0–18)	4 (3)	4 (2)	.117^a
Difference of correct and incorrect answers (−18–18)	10 (5)	12 (3)	≤ .003^a

^a = Wilcoxon signed-rank test (Bonferroni corrected), IQR Interquartile range

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