Evidence map›Paper›PMID 30661636›Full record

ArticleValue in health : the journal of the International Society for Pharmacoeconomics and Outcomes Research2019

Market Consolidation and Mortality in Patients Initiating Hemodialysis.

Kevin F Erickson, Wolfgang C Winkelmayer, Vivian Ho, Jay Bhattacharya, Glenn M Chertow

Abstract readComparative Study
In one paragraph

Article in Value in health : the journal of the International Society for Pharmacoeconomics and Outcomes Research, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

5 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Kevin F EricksonSection of Nephrology and Selzman Institute for Kidney Health, Houston, TX, USA; Baylor College of Medicine, Center for Innovations in Quality, Effectiveness, and Safety, Houston, TX, USA; Baker Institute for Public Policy, Rice University, Houston, TX, USA. Electronic address: kevin.erickson@bcm.edu.
Wolfgang C WinkelmayerSection of Nephrology and Selzman Institute for Kidney Health, Houston, TX, USA.
Vivian HoBaylor College of Medicine, Center for Innovations in Quality, Effectiveness, and Safety, Houston, TX, USA; Baker Institute for Public Policy, Rice University, Houston, TX, USA.
Jay BhattacharyaCenter for Primary Care and Outcomes Research, Stanford University School of Medicine, Stanford, CA, USA.
Glenn M ChertowDivision of Nephrology, Stanford University School of Medicine, Palo Alto, CA, USA.

Funding

Mentoring Patient-Oriented Clinical Investigators in NephrologyK24DK085446 · NIDDK · STANFORD UNIVERSITY · PI CHERTOW, GLENN MATTHEW · 2010 to 2022
$1.4M
The Effect of Provider Market Competition on Patient Health Outcomes in DialysisK23DK101693 · NIDDK · STANFORD UNIVERSITY · PI ERICKSON, KEVIN · 2014 to 2018
$888k
NIDDK NIH HHS K23 DK101693NIDDK NIH HHS K24 DK085446
6 · The paper itself

Abstract

backgroundIt is uncertain whether consolidation in health care markets affects the quality of care provided and health outcomes.

objectivesTo examine whether changes in market competition resulting from acquisitions by two large national for-profit dialysis chains were associated with patient mortality.

methodsWe identified patients initiating in-center hemodialysis between 2001 and 2009 from a registry of patients with end-stage renal disease in the United States. We considered two scenarios when evaluating consolidation from dialysis facility acquisitions: one in which we considered only those patients receiving dialysis in markets that became substantially more concentrated to have been affected by consolidation, and the other in which all patients living in hospital service areas where a facility was acquired were potentially affected. We used a difference-in-differences study design to examine the associations between market consolidation and changes in mortality rates.

resultsWhen we considered the 12,065 patients living in areas that became substantially more consolidated to have been affected by consolidation, we found a nominally significant (8%; 95% confidence interval 0%-17%) increase in likelihood of death after consolidation. Nevertheless, when we considered all 186,158 patients living in areas where an acquisition occurred to have been affected by consolidation, there was no observable effect of market consolidation on mortality.

conclusionsDecreased market competition may have led to increased mortality among a relatively small subset of patients initiating in-center hemodialysis in areas that became substantially more concentrated after two large dialysis acquisitions, but not for most of the patients living in affected areas.

Indexed as

CommerceEconomic CompetitionHealth Care CostsAmbulatory Care FacilitiesCatchment Area, HealthFemaleHealth Care SectorHumansKidney Failure, ChronicMaleMiddle AgedOutcome and Process Assessment, Health CareOwnershipQuality Assurance, Health CareRegistriesRenal Dialysisdialysis providerend-stage renal diseasemarket competitionmortality

Identifiers

PMID30661636
PMCPMC6740331

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.