The impact of ambulatory care spending, continuity and processes of care on ambulatory care sensitive hospitalizations

Wiebke Schuettig () and Leonie Sundmacher ()
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Wiebke Schuettig: Chair of Health Economics, Technical University of Munich
Leonie Sundmacher: Chair of Health Economics, Technical University of Munich

The European Journal of Health Economics, 2022, vol. 23, issue 8, No 7, 1329-1340

Abstract: Abstract Ambulatory care sensitive hospitalizations are widely considered as important measures of access to as well as quality and performance of primary care. In our study, we investigate the impact of spending, process quality and continuity of care in the ambulatory care sector on ambulatory care sensitive hospitalizations in patients with type 2 diabetes. We used observational data from Germany’s major association of insurance companies from 2012 to 2014 with 55,924 patients, as well as data from additional sources. We conducted negative binomial regression analyses with random effects at the district level. To control for potential endogeneity of spending and physician density in the ambulatory care sector, we used an instrumental variable approach. We controlled for a wide range of covariates, such as age, sex, and comorbidities. The results of our analysis suggest that spending in the ambulatory care sector has weak negative effects on ambulatory care sensitive hospitalizations. We also found that continuity of care was negatively associated with hospital admissions. Patients with type 2 diabetes are at increased risk of hospitalization resulting from ambulatory care sensitive conditions. Our study provides some evidence that increased spending and improved continuity of care while controlling for process quality in the ambulatory care sector may be effective ways to reduce the rate of potentially avoidable hospitalizations among patients with type 2 diabetes.

Keywords: Germany; Ambulatory care; Health care costs; Hospitalizations; Continuity of care (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1007/s10198-022-01428-y

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