Public reporting influences antibiotic and injection prescription in primary care: a segmented regression analysis
C Liu, X Zhang, J Wan - Journal of evaluation in clinical practice, 2015 - Wiley Online Library
C Liu, X Zhang, J Wan
Journal of evaluation in clinical practice, 2015•Wiley Online LibraryRationale, aims and objectives Inappropriate use and overuse of antibiotics and injections
are serious threats to the global population, particularly in developing countries. In recent
decades, public reporting of health care performance (PRHCP) has been an instrument to
improve the quality of care. However, existing evidence shows a mixed effect of PRHCP.
This study evaluated the effect of PRHCP on physicians' prescribing practices in a sample of
primary care institutions in C hina. Segmented regression analysis was used to produce …
are serious threats to the global population, particularly in developing countries. In recent
decades, public reporting of health care performance (PRHCP) has been an instrument to
improve the quality of care. However, existing evidence shows a mixed effect of PRHCP.
This study evaluated the effect of PRHCP on physicians' prescribing practices in a sample of
primary care institutions in C hina. Segmented regression analysis was used to produce …
Rationale, aims and objectives
Inappropriate use and overuse of antibiotics and injections are serious threats to the global population, particularly in developing countries. In recent decades, public reporting of health care performance (PRHCP) has been an instrument to improve the quality of care. However, existing evidence shows a mixed effect of PRHCP. This study evaluated the effect of PRHCP on physicians' prescribing practices in a sample of primary care institutions in China. Segmented regression analysis was used to produce convincing evidence for health policy and reform.
Methods
The PRHCP intervention was implemented in Qian City that started on 1 October 2013. Performance data on prescription statistics were disclosed to patients and health workers monthly in 10 primary care institutions. A total of 326 655 valid outpatient prescriptions were collected. Monthly effective prescriptions were calculated as analytical units in the research (1st to 31st every month). This study involved multiple assessments of outcomes 13 months before and 11 months after PRHCP intervention (a total of 24 data points).
Results
Segmented regression models showed downward trends from baseline on antibiotics (coefficient = −0.64, P = 0.004), combined use of antibiotics (coefficient = −0.41, P < 0.001) and injections (coefficient = −0.5957, P = 0.001) after PRHCP intervention. The average expenditure of patients slightly increased monthly before the intervention (coefficient = 0.8643, P < 0.001); PRHCP intervention also led to a temporary increase in average expenditure of patients (coefficient = 2.20, P = 0.307) but slowed down the ascending trend (coefficient = −0.45, P = 0.033). The prescription rate of antibiotics and injections after intervention (about 50%) remained high.
Conclusions
PRHCP showed positive effects on physicians' prescribing behaviour, considering the downward trends on the use of antibiotics and injections and average expenditure through the intervention. However, the effect was not immediately observed; a lag time existed before public reporting intervention worked.
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