The Evaluation of Rational Drug Use Policy on Antibiotics in Respiratory Tract Infections for Outpatients at Nong Ya Plong Hospital, Phetchaburi Province
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Abstract
This systemic research aimed to evaluate input, operational process and health outcomes in the implementation of rational antibiotic drug use (RDU) policy in respiratory tract infections (RTI) for outpatients at Nong Ya Plong Hospital in Phetchaburi province.
The research involved 50 healthcare providers at the hospital. The research tools were: 1) a questionnaire for collecting data on the input and operational process of RDU policy for RTI in outpatients. The questionnaire was reviewed by 3 experts and then revised as per their comments as IOC ≥ 0.5 (0.67 - 1), its Cronbach's alpha coefficient was 0.96 and its discrimination power was higher than 0.2 in all the questions, and 2) medical records with secondary data on outpatients’ health outcomes from 2011 to 2020. The data obtained were analyzed by using statistics of frequency distribution, percentage, average and standard deviation, including percentages of antibiotic use for RTI in outpatients, and trends in antibiotic drug spending under the policy on rational antibiotic use for RTI in outpatients based on the interrupted time series analysis.
The results revealed that the overall input evaluation showed the highest favorable level, with the highest input score being the establishment of the pharmaceutical therapeutic committee (PTC) for policy implementation with clear job responsibilities and task assignments. The operational process score was at a high level, with the highest score being the substantial driving of the RDU policy through the PTC. The overall health outcome score was at a high level; the monthly RTI antibiotic drug spending for outpatients dropped significantly from 32,691.10 baht (95% CI: 27,612.43 - 37,769.86) before the RDU policy implementation to 890.42 baht (95% CI: 655.26 - 1,125.59) after the policy implementation (p-value for baseline trend = .042).
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