Fig. 2From: Multidrug use positively correlates with high-risk prescriptions in the Japanese elderly: a longitudinal studyOverlapping drugs with the same mechanism of action. (a) Overlapping anticholinergic drugs (b) Overlapping benzodiazepine receptor agonists The χ2 test was used to compare the differences between each group (a,b). Correction with the Bonferroni method was performed, and p values < .017 were considered significant. *p < .017Back to article page