Cited by 247Cardiovascular Health and Risk FactorsHealth Promotion and Cardiovascular PreventionLipoproteins and Cardiovascular Health

Quantifying importance of major risk factors for coronary heart disease

Open access
Pencina, Michael J., Navar, Ann Marie, Wojdyla, Daniel, Sanchez, Robert J., Khan, Irfan, Elassal, Joseph, D’Agostino, Ralph B., Peterson, Eric D. +1 more·2019·Circulation

Abstract

Background: To optimize preventive strategies for coronary heart disease (CHD), it is essential to understand and appropriately quantify the contribution of its key risk factors. Our objective was to compare the associations of key modifiable CHD risk factors—specifically lipids, systolic blood pressure (SBP), diabetes mellitus, and smoking—with incident CHD events based on their prognostic performance, attributable risk fractions, and treatment benefits, overall and by age. Methods: Pooled participant-level data from 4 observational cohort studies sponsored by the National Heart, Lung, and Blood Institute were used to create a cohort of 22 626 individuals aged 45 to 84 years who were initially free of cardiovascular disease. Individuals were followed for 10 years from baseline evaluation for incident CHD. Proportional hazards regression was used to estimate metrics of prognostic model performance (likelihood ratio, C index, net reclassification, discrimination slope), hazard ratios, and population attributable fractions for SBP, non–high-density lipoprotein cholesterol (non–HDL-C), diabetes mellitus, and smoking. Expected absolute risk reductions for antihypertensive and lipid-lowering treatment were assessed. Results: Age, sex, and race capture 63% to 80% of the prognostic performance of cardiovascular risk models. In contrast, adding either SBP, non–HDL-C, diabetes mellitus, or smoking to a model with other risk factors increases the C index by only 0.004 to 0.013. However, primordial prevention could have a substantial effect as demonstrated by population attributable fractions of 28% for SBP≥130 mm Hg and 17% for non–HDL-C≥130 mg/dL. Similarly, lowering the SBP of all individuals to <130 mm Hg or lowering low-density lipoprotein cholesterol by 30% would be expected to lower a baseline 10-year CHD risk of 10.7% to 7.0 and 8.0, respectively (absolute risk reductions: 3.7% and 2.7%, respectively). Prognostic performance decreases with age (C indices for age groups 45–54, 55–64, 65–74, 75–84 are 0.75, 0.72, 0.66, and 0.62, respectively), whereas absolute risk reductions increase (SBP: 1.1%, 2.3%, 5.4%, 10.3%, respectively; non–HDL-C: 1.1%, 2.0%, 3.7%, 5.9%, respectively). Conclusions: Although individual modifiable CHD risk factors contribute only modestly to prognostic performance, our models indicate that eliminating or controlling these individual factors would lead to substantial reductions in total population CHD events. Metrics used to judge importance of risk factors should be tailored to the research objectives.

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Crossref · 10.1161/circulationaha.117.031855

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  • Standard statistical measures that quantify the added prognostic value of new biomarkers in risk prediction models were not designed to compare highly correlated and biologically tightly related variables such as LDL-C, non-HDL-C, or apoB.

    “Furthermore, standard statistical measures that quantify the added prognostic value of new biomarkers in risk prediction models were not designed to compare highly correlated and biologically tightly related variables such as LDL-C, non-HDL-C, or apoB.14”

    From Discordance among apoB, non-high-density lipoprotein cholesterol, and triglycerides: implications for cardiovascular prevention (2024) · cites this paper as [14]

    The Discussion (page unavailable) says that added-last prognostic measures are well suited to new biomarkers but can mask the importance of established, treatable risk factors. It does not say these measures were not designed to compare highly correlated lipid variables, or assess that limitation for LDL-C, non-HDL-C, and apoB. (LLM, conf=0.82)

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  1. [11]Harrell FE Jr Regression modeling strategies 2001 Springer

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Authors
Pencina, M. J., Navar, A. M., Wojdyla, D., Sanchez, R. J., Khan, I., Elassal, J., D’Agostino, R. B., Peterson, E. D., & Sniderman, A. D.
Affiliations
  • Duke University (US)
  • Duke Clinical Research Institute, Duke University School of Medicine, Durham, NC (M.J.P., A.M.N., D.W., E.D.P.).
  • Regeneron (United States) (US)
  • Sanofi (United States) (US)
  • Boston University (US)
  • McGill University Health Centre (CA)
Corresponding author
Pencina, Michael J.
Venue
Circulation
Published
2019-03-26
Volume
139
Issue
13
Pages
1603-1611
ISSN
  • 0009-7322 (ISSN-L)
  • 1524-4539
OpenAlex
W2905401804
Cited by
247
References
21
Citations by year
2026: 28 · 2025: 42 · 2024: 42 · 2023: 41 · 2022: 35 · 2021: 23 · 2020: 21 · 2019: 14
FWCI
16.81
Type
journal article
Language
en
Open access
Licence
cc-by-nc-nd
Locations
  • Circulation (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Sanofi
  • Regeneron Pharmaceuticals
  • Javna Agencija za Raziskovalno Dejavnost RS
  • National Heart, Lung, and Blood Institute (K01HL133416)
  • Duke Clinical Research Institute
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Health and Risk Factors
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Health Promotion and Cardiovascular Prevention
  • Health Sciences › Medicine › Surgery › Lipoproteins and Cardiovascular Health
Keywords
coronary artery disease, cardiovascular risk factors, systolic blood pressure, non-HDL cholesterol, diabetes mellitus, smoking, population attributable fraction, absolute risk reduction, cardiovascular risk prediction models, primordial prevention, antihypertensive therapy, lipid-lowering therapy, cardiovascular disease prevention
MeSH terms
Aged, Aged, 80 and over, Blood Pressure, Coronary Disease, Diabetes Mellitus, Female, Humans, Cholesterol, HDL, Cholesterol, LDL, Male, Middle Aged, Risk Factors

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