COMPARISON OF MEDICATION ERROR BETWEEN THE NEW PRESCRIBING SYSTEM AND CONVENTIONAL PRESCRIBING SYSTEM IN OUTPATIENTS AT CHAIYAPHUM HOSPITAL.
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Abstract
BACKGROUND: Chaiyaphum Hospital has changed the outpatient medication system by using Computerized Physician Order Entry (CPOE), the new prescribing system, from the conventional prescribing system. Hence, the transcribing process and printing the prescribing order was not needed. The risk of the medication errors has to be studied since the prescribing system has been changed in order to be a guidance and reference for the next improvement of the system in the near future.
OBJECTIVE: To compare the occurrence of medication errors between the new prescribing system and the conventional system in outpatients at Chaiyaphum Hospital.
METHODS: A retrospective cohort study; the medication errors were collected from November 1, 2019 through December 31, 2019 on the official working hours and dates. The medication errors in the new prescribing system were compared to the conventional system. The data were analyzed by descriptive statistics and inferential statistical; Independent T-test, Mann-Whitney U test and Chi square test.
RESULTS: The medication error occurrences in both prescribing errors and transcribing errors in the new prescribing system significantly differed from the conventional prescribing system. The mean of times per day prescribing errors was 13.59±5.01 and 10.63±4.84 (p=0.008) in the new prescribing system and the conventional prescribing system respectively. The mean of times per day transcribing errors was 0.51±0.84 and 0.02±0.16 (p <0.001) in the new prescribing system and the conventional prescribing system respectively. While the mean of times per day dispensing errors in the new prescribing system did not significantly differ from the conventional prescribing system; 0.07±0.35 and 0.02±0.16 (p=0.549) respectively. When comparing the overall type of prescribing errors, the two systems were significantly different with frequency 454 and 309 times respectively (p <0.001).
CONCLUTIONS AND DISCUSSIONS: The new prescribing system reduced the process of an outpatient medication system, risks of prescribing and risk of transcribing errors when compared to the conventional prescribing system. As a result, the new prescribing system has to be supported in outpatients at Chaiyaphum hospital and other hospitals.
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