The effect of the implementation of evidence-based drug formulary on antibacterial use in a private hospital at Tanjung Enim, Sumatera Selatan, Indonesia

https://doi.org/10.19106/JMedSci004901201703

Erna Kristin(1*), Dwi Indria Anggraini(2), Jarir At Thobari(3), Alfi Yasmina(4)

(1) Department of Pharmacology and Therapy, Faculty of Medicine, Universitas Gadjah Mada, Yogyakarta
(2) Department of Pharmacology, Faculty of Medicine, Lampung University, Tanjung Karang
(3) Department of Pharmacology and Therapy, Faculty of Medicine, Universitas Gadjah Mada, Yogyakarta
(4) Department of Pharmacology, Faculty of Medicine, Lambung Mangkurat University, Banjarmasin, Indonesia
(*) Corresponding Author

Abstract


The increase of drug expenditure in the hospital has facilitated the implementation of an evidence-based drug formulary. The aim of this study was to assess the change in antibacterial use after the implementation of an evidence-based drug formulary in a private hospital at Tanjung Enim, Sumatera Selatan, Indonesia. This study used a pre-posttest design. Drug use data in the period before (2010-2011) and after (2012-2013) the formulary implementation were extracted from the hospital medical records. The drug use in the hospital before and after the implementation was compared using t-test and chi-square test, with the significance level of 0.05. Average number of drugs prescribed per prescription after the implementation was similar with that before the implementation (4.4 vs 4.6; p > 0.05). However, the proportion of generic drugs prescribed increased significantly after the formulary implementation (17.0% vs 52.7%; p < 0.05). Moreover, it was still significantly increased when the analysis was conducted only for antibacterial drugs (25.9% vs 72.0%; p < 0.05). Average drug cost per prescription was 34% lower after the intervention (p < 0.05), and the average cost for antibacterial drug was also decreased (26%). The use of antibacterial drugs was significantly decreased after the intervention (12.5% vs 6.9%; p < 0.05). The most often antibacterial drugs prescribed before the interventions were beta-lactams and macrolides; while quinolones were more increasingly used after the intervention. In conclusion, the implementation of evidence-based hospital drug formulary in a private hospital at Tanjung Enim, Sumatera Selatan significantly increase generic drug use and decreased antibacterial use and average drug cost per prescription.  

 

 

Key words : drug formulary – prescribing pattern – generic drug – antibacterial – private hospital


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DOI: https://doi.org/10.19106/JMedSci004901201703

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Copyright (c) 2017 Erna Kristin, Dwi Indria Anggraini, Jarir At Thobari, Alfi Yasmina

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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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