Does my high blood pressure improve your survival? Overall and subgroup learning curves in health

Raf Van Gestel, Tobias Müller and Johan Bosmans

Health Economics, 2017, vol. 26, issue 9, 1094-1109

Abstract: Learning curves in health are of interest for a wide range of medical disciplines, healthcare providers, and policy makers. In this paper, we distinguish between three types of learning when identifying overall learning curves: economies of scale, learning from cumulative experience, and human capital depreciation. In addition, we approach the question of how treating more patients with specific characteristics predicts provider performance. To soften collinearity problems, we explore the use of least absolute shrinkage and selection operator regression as a variable selection method and Theil–Goldberger mixed estimation to augment the available information. We use data from the Belgian Transcatheter Aorta Valve Implantation (TAVI) registry, containing information on the first 860 TAVI procedures in Belgium. We find that treating an additional TAVI patient is associated with an increase in the probability of 2‐year survival by about 0.16%‐points. For adverse events like renal failure and stroke, we find that an extra day between procedures is associated with an increase in the probability for these events by 0.12%‐points and 0.07%‐points, respectively. Furthermore, we find evidence for positive learning effects from physicians' experience with defibrillation, treating patients with hypertension, and the use of certain types of replacement valves during the TAVI procedure.

Date: 2017
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https://doi.org/10.1002/hec.3505

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Persistent link: https://EconPapers.repec.org/RePEc:wly:hlthec:v:26:y:2017:i:9:p:1094-1109

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