Healthcare systems data in the context of clinical trials ? A comparison of cardiovascular data from a clinical trial dataset with routinely collected data

Macnair, Archie, Nankivell, Matthew, Murray, Macey L., Rosen, Stuart D., Appleyard, Sally, Sydes, Matthew R., Forcat, Sylvia, Welland, Andrew, Clarke, Noel W., Mangar, Stephen, Kynaston, Howard ORCID: https://orcid.org/0000-0003-1902-9930, Kockelbergh, Roger, Al-Hasso, Abdulla, Deighan, John, Marshall, John, Parmar, Mahesh, Langley, Ruth E. and Gilbert, Duncan C. 2023. Healthcare systems data in the context of clinical trials ? A comparison of cardiovascular data from a clinical trial dataset with routinely collected data. Contemporary Clinical Trials 128 , 107162. 10.1016/j.cct.2023.107162

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Abstract

Background Routinely-collected healthcare systems data (HSD) are proposed to improve the efficiency of clinical trials. A comparison was undertaken between cardiovascular (CVS) data from a clinical trial database with two HSD resources. Methods Protocol-defined and clinically reviewed CVS events (heart failure (HF), acute coronary syndrome (ACS), thromboembolic stroke, venous and arterial thromboembolism) were identified within the trial data. Data (using pre-specified codes) was obtained from NHS Hospital Episode Statistics (HES) and National Institute for Cardiovascular Outcomes Research (NICOR) HF and myocardial ischaemia audits for trial participants recruited in England between 2010 and 2018 who had provided consent. The primary comparison was trial data versus HES inpatient (APC) main diagnosis (Box-1). Correlations are presented with descriptive statistics and Venn diagrams. Reasons for non-correlation were explored. Results From 1200 eligible participants, 71 protocol-defined clinically reviewed CVS events were recorded in the trial database. 45 resulted in a hospital admission and therefore could have been recorded by either HES APC/ NICOR. Of these, 27/45 (60%) were recorded by HES inpatient (Box-1) with an additional 30 potential events also identified. HF and ACS were potentially recorded in all 3 datasets; trial data recorded 18, HES APC 29 and NICOR 24 events respectively. 12/18 (67%) of the HF/ACS events in the trial dataset were recorded by NICOR. Conclusion Concordance between datasets was lower than anticipated and the HSD used could not straightforwardly replace current trial practices, nor directly identify protocol-defined CVS events. Further work is required to improve the quality of HSD and consider event definitions when designing clinical trials incorporating HSD.

Item Type:	Article
Date Type:	Published Online
Status:	Published
Schools:	Medicine
Publisher:	Elsevier
ISSN:	1551-7144
Date of First Compliant Deposit:	30 March 2023
Date of Acceptance:	14 March 2023
Last Modified:	08 May 2023 23:56
URI:	https://orca.cardiff.ac.uk/id/eprint/158183

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