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Validity of a method for the self-screening of cardiovascular risk

Authors Barroso M, Pérez- Fernández S, Vila MM, Zomeño MD, Martí-Lluch R, Cordon F, Ramos R, Elosua R, Degano IR, Fitó M, Cabezas C, Salvador G, Castell C, Grau M

Received 29 November 2017

Accepted for publication 23 February 2018

Published 10 May 2018 Volume 2018:10 Pages 549—560


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Professor Irene Petersen

María Barroso,1–3 Silvia Pérez-Fernández,1,4 M Mar Vila,1,4,5 M Dolors Zomeño,6,7 Ruth Martí-Lluch,8 Ferran Cordon,9 Rafel Ramos,8,10,11 Roberto Elosua,1,4 Irene R Degano,1,4 Montse Fitó,5,12 Carmen Cabezas,13 Gemma Salvador,13 Conxa Castell,13 María Grau1,4,14

1Cardiovascular Epidemiology and Genetics Research Group, IMIM-Hospital del Mar Research Institute, 2Centre d’Atenció Primària La Marina, Direcció d’Atenció Primària Barcelona, Institut Català de la Salut, 3Department of Pediatrics, Obstetrics, Gynecology and Preventive Medicine, School of Medicine, Autonomous University of Barcelona, 4Consortium for Biomedical Research in Cardiovascular Disease (CIBERCV), 5Department of Mathematics and Computer Science, University of Barcelona, 6Cardiovascular Risk and Nutrition, IMIM-Hospital del Mar Research Institute, 7School of Health Sciences, Blanquerna-Ramon Llull University, Barcelona, Spain; 8Unitat de Suport a la Recerca de Girona, Institut Universitari d’Investigació en Atenció Primària Jordi Gol, 9Centre d’Atenció Primària Montilivi, Direcció d’Atenció Primària Girona, Institut Català de la Salut, 10Department of Medical Sciences, School of Medicine, University of Girona, 11Girona Biomedical Research Institute, Girona, Spain; 12Consortium for Biomedical Research in Obesity and Nutrition (CIBEROBN), 13Catalan Agency of Public Health, 14Department of Medicine, University of Barcelona, Barcelona, Spain

Background: The validity of a cardiovascular risk self-screening method was assessed. The results obtained for self-measurement of blood pressure, a point-of-care system’s assessment of lipid profile and glycated hemoglobin, and a self-administered questionnaire (sex, age, diabetes, tobacco consumption) were compared with the standard screening (gold standard) conducted by a health professional.
Methods: Crossover clinical trial on a population-based sample from Girona (north-eastern Spain), aged 35–74, with no cardiovascular disease at recruitment. Participants were randomized to one of the two risk assessment sequences (standard screening followed by self-screening or vice versa). Cardiovascular risk was estimated with the Framingham-REGICOR function. Concordance between methods was estimated with the intraclass correlation coefficient (ICC). Sensitivity, specificity, and positive and negative predictive values were estimated, considering 5% cardiovascular risk as the cutoff point. Registration #NCT02373319. Clinical Research Ethic Committee of the Parc de Salut Mar Registration #2014/5815/I.
Results: The median cardiovascular risk in men was 2.56 (interquartile range: 1.42–4.35) estimated by standard methods and 2.25 (1.28–4.07) by self-screening with ICC=0.92 (95% CI: 0.90–0.93). In women, the cardiovascular risk was 1.14 (0.61–2.10) by standard methods and 1.10 (0.56–2.00) by self-screening, with ICC=0.89 (0.87–0.90). The sensitivity, specificity, and positive and negative predictive values for the self-screening method were 0.74 (0.63–0.82), 0.97 (0.95–0.99), 0.86 (0.77–0.93), and 0.94 (0.91–0.96), respectively, in men. In women, these values were 0.50 (0.30–0.70), 0.99 (0.98–1), 0.81 (0.54–0.96), and 0.97 (0.95–0.99), respectively.
Conclusion: The self-screening method for assessing cardiovascular risk provided similar results to the standard method. Self-screening had high clinical performance to rule out intermediate or high cardiovascular risk.

Keywords: risk assessment, cardiovascular diseases, preventive medicine, public health, epidemiology, empowerment

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