Primary Outcomes.

MAI, Medication Appropriateness Index; DRP, Drug-Related Problems; SD, standard deviation; CI, confidence intervals.ϕThe MAI score could not be calculated in one patient in the control group because he did not take drugs at the time of the first and second interview.ϕϕ The MAI score could not be calculated in six and four patients in the control and intervention groups because they did not take drugs at the follow-up.*The adjusted (adj.) effect size was computed from the treatment variable (in the case of the MAI, the interaction of treatment and time category) in the corresponding regression models and is thus adjusted for age, gender, comorbidities, number of drugs and length of hospital stays.**after completing the study protocolPrimary Outcomes.