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Research activity and the association with mortality.

Ozdemir, BA; Karthikesalingam, A; Sinha, S; Poloniecki, JD; Hinchliffe, RJ; Thompson, MM; Gower, JD; Boaz, A; Holt, PJ (2015) Research activity and the association with mortality. PLoS One, 10 (2). ISSN 1932-6203 https://doi.org/10.1371/journal.pone.0118253
SGUL Authors: Hinchliffe, Robert James Holt, Peter James Edward Poloniecki, Jan Dominik Thompson, Matthew Merfyn Sinha, Sidhartha

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Abstract

INTRODUCTION: The aims of this study were to describe the key features of acute NHS Trusts with different levels of research activity and to investigate associations between research activity and clinical outcomes. METHODS: National Institute for Health Research (NIHR) Comprehensive Clinical Research Network (CCRN) funding and number of patients recruited to NIHR Clinical Research Network (CRN) portfolio studies for each NHS Trusts were used as markers of research activity. Patient-level data for adult non-elective admissions were extracted from the English Hospital Episode Statistics (2005-10). Risk-adjusted mortality associations between Trust structures, research activity and, clinical outcomes were investigated. RESULTS: Low mortality Trusts received greater levels of funding and recruited more patients adjusted for size of Trust (n = 35, 2,349 £/bed [95% CI 1,855-2,843], 5.9 patients/bed [2.7-9.0]) than Trusts with expected (n = 63, 1,110 £/bed, [864-1,357] p<0.0001, 2.6 patients/bed [1.7-3.5] p<0.0169) or, high (n = 42, 930 £/bed [683-1,177] p = 0.0001, 1.8 patients/bed [1.4-2.1] p<0.0005) mortality rates. The most research active Trusts were those with more doctors, nurses, critical care beds, operating theatres and, made greater use of radiology. Multifactorial analysis demonstrated better survival in the top funding and patient recruitment tertiles (lowest vs. highest (odds ratio & 95% CI: funding 1.050 [1.033-1.068] p<0.0001, recruitment 1.069 [1.052-1.086] p<0.0001), middle vs. highest (funding 1.040 [1.024-1.055] p<0.0001, recruitment 1.085 [1.070-1.100] p<0.0001). CONCLUSIONS: Research active Trusts appear to have key differences in composition than less research active Trusts. Research active Trusts had lower risk-adjusted mortality for acute admissions, which persisted after adjustment for staffing and other structural factors.

Item Type: Article
Additional Information: © 2015 Ozdemir et al. This is an open access article distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Keywords: General Science & Technology, MD Multidisciplinary
SGUL Research Institute / Research Centre: Academic Structure > Molecular and Clinical Sciences Research Institute (MCS)
Academic Structure > Molecular and Clinical Sciences Research Institute (MCS) > Vascular & Cardiac Surgery (INCCVC)
Academic Structure > Population Health Research Institute (INPH)
Journal or Publication Title: PLoS One
Article Number: e0118253
ISSN: 1932-6203
Language: eng
Dates:
DateEvent
26 February 2015Published
Publisher License: Creative Commons: Attribution 4.0
Projects:
Project IDFunderFunder ID
NIHR-CS-011-008National Institute for Health Researchhttp://dx.doi.org/10.13039/501100000272
PubMed ID: 25719608
Web of Science ID: WOS:000350213200043
Go to PubMed abstract
URI: https://openaccess.sgul.ac.uk/id/eprint/107419
Publisher's version: https://doi.org/10.1371/journal.pone.0118253

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