Prevalence and predictors of discharge polypharmacy in geriatric patients discharged from an Indonesian teaching hospital: a retrospective observational study.

Objective: The study aimed to investigate the prevalence and risk factors for discharge polypharmacy in geriatric patients in Indonesia. Methods: The retrospective cohort study used the medical record profiles of geriatric patients aged ≥ 60 years admitted to the inpatient ward between July 2018 and October 2019. Using three logistic regression models, we assessed the association of the patient's demographic, clinical characteristics, and disease condition with discharge polypharmacy. The use of five or more medications was defined as discharge polypharmacy. Results: A total of 1533 patients were included in the study. Most patients (78.21%) aged between 60 and 74 years. The male-to-female patient ratio was almost the same (50.16% versus 49.83%). Of the patients (52.51%) were discharged with polypharmacy. According to regression model I, patients who had a chronic condition, comorbidity, stayed in the hospital for ≥ seven days, had a Charlson comorbidity index score (3-4), and received excessive polypharmacy (≥ 10 drugs) during admission had significantly more risk (p< 0.05) to receive polypharmacy at discharge. The results of model II investigated myocardial infarction, congestive heart failure, peripheral vascular disease, cerebrovascular disease, chronic obstructive pulmonary disease, diabetes mellitus, diabetes with complications, renal disease, and high blood pressure as significant (p<0.05) predictors of discharge polypharmacy. The combined model III evaluated that comorbidity, length of hospital stay (7 or more days), excessive polypharmacy use in the hospital, myocardial infarction, and congestive heart failure were significantly (P < 0.05) associated with discharge polypharmacy. Conclusions: Polypharmacy is common in Indonesia and is linked to certain chronic conditions and other clinical factors. A particular plan that includes a pharmacist and physician collaborative relationship and awareness of the health outcomes of polypharmacy could be critical. [ABSTRACT FROM AUTHOR]

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