Alice N Hemenway1, Manar M Kandil1, Martin MacDowell2. 1. University of Illinois at Chicago - Rockford Health Sciences Campus, College of Pharmacy, Rockford, IL, USA. 2. University of Illinois at Chicago, Colleges of Medicine and Pharmacy, Rockford, IL, USA.
Abstract
Introduction: Readmission scoring systems are used to predict 30-day hospital readmission. These prediction tools do not considerlack of patient medication knowledge or adherence which can worsen disease outcomes or increase risk of readmissions. Objective: To determine if medication knowledge and adherence, as assessed by validated questionnaires, are associated with an increased rate of 30-day readmission. Methods: Adult medical inpatients were randomly selected for a prospective, single center study that was conducted from January to August 2017. Patients were asked the 4-question Morisky Green Levine Scale (MGLS) and the 4-question Medication Knowledge Score (MKS). Validated readmission score; MKS; and MGLS, as well as baseline information and readmission status within 30 days after the index admission were recorded. Mean or median scores were compared for patients readmitted within 30 days with those not readmitted using descriptive and univariate inferential statistics. Results: Data from 119 patients showed a mean age of 63 years (SD = 16). There was no difference in baseline information: age, sex, or number of scheduled home medications between those readmitted within 30 days and those not readmitted. Patients readmitted within 30 days had a statistically higher readmission score compared to patients not readmitted (66.4 vs 57.1, P = .017). There was no difference in median MKS or mean MGLS between patients readmitted within 30 days and those not readmitted (MKS: 4.0 vs 3.0, P = .753; MGLS: 1 vs 1.3, P = .162). Conclusions: In this prospective study, neither the MKS nor the MGLS scores were associated with 30-day hospital readmission.
Introduction: Readmission scoring systems are used to predict 30-day hospital readmission. These prediction tools do not considerlack of patient medication knowledge or adherence which can worsen disease outcomes or increase risk of readmissions. Objective: To determine if medication knowledge and adherence, as assessed by validated questionnaires, are associated with an increased rate of 30-day readmission. Methods: Adult medical inpatients were randomly selected for a prospective, single center study that was conducted from January to August 2017. Patients were asked the 4-question Morisky Green Levine Scale (MGLS) and the 4-question Medication Knowledge Score (MKS). Validated readmission score; MKS; and MGLS, as well as baseline information and readmission status within 30 days after the index admission were recorded. Mean or median scores were compared for patients readmitted within 30 days with those not readmitted using descriptive and univariate inferential statistics. Results: Data from 119 patients showed a mean age of 63 years (SD = 16). There was no difference in baseline information: age, sex, or number of scheduled home medications between those readmitted within 30 days and those not readmitted. Patients readmitted within 30 days had a statistically higher readmission score compared to patients not readmitted (66.4 vs 57.1, P = .017). There was no difference in median MKS or mean MGLS between patients readmitted within 30 days and those not readmitted (MKS: 4.0 vs 3.0, P = .753; MGLS: 1 vs 1.3, P = .162). Conclusions: In this prospective study, neither the MKS nor the MGLS scores were associated with 30-day hospital readmission.
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