期刊
LANCET DIGITAL HEALTH
卷 4, 期 1, 页码 E55-E63出版社
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资金
- National Heart, Lung, and Blood Institute [NO1-HC-25195, HHSN268201500001I, 75N92019D00031, U01HL146382]
- Evans Medical Foundation
- Jay and Louis Coffman Endowment from the Department of Medicine, Boston University School of Medicine
The use of sex-specific and race-specific pooled cohort equations (PCEs) may result in substantially divergent cardiovascular disease risk estimates for Black and White individuals with identical risk profiles, introducing race-related variations in clinical recommendations for cardiovascular disease prevention.
Background Sex-specific and race-specific pooled cohort equations (PCEs) are recommended for estimating the 10-year risk of cardiovascular disease, with an absolute risk of more than 7.5% indicating a clinical decision threshold. We compared differences between Black and White individuals in PCE-estimated absolute cardiovascular disease risk across various plausible risk factor combinations with the aim of evaluating if using the PCE might result in different clinical decisions in Black versus White individuals with identical risk profiles. Methods We generated in silico patient risk profiles by combining numerical risk factors (age [5-year intervals], total cholesterol [20-mg/dl intervals], HDL cholesterol [5-mg/dl intervals], systolic blood pressure [10-mm Hg intervals]) and binary risk factors (smoking, diabetes, and antihypertensive treatment). We compared PCE-estimated 10-year cardiovascular disease risk in Black versus White individuals with identical risk profiles. We did similar comparisons using eligible participants in the Framingham Heart Study (FHS) third generation cohort and the National Health and Nutrition Examination Survey (NHANES) 2017-18. Findings For our in silico analysis, we evaluated 29 515 risk factor combinations for women and 30565 for men, after excluding profiles that generated 10-year cardiovascular disease risk estimates below 1% or above 30%. There were 6357 risk profiles associated with 10-year cardiovascular disease risk above 7.5% for Black men but not for White men (median risk difference [RD] 6.25%, range 0.15-22.8; median relative risk [RR] 2.40, range 1.02-12.6). There were 391 profiles with 10-year cardiovascular disease risk above 7.5% for White men but not Black men (median RD 2.68%, range 0.07-16.9%; median RR 1.42, range 1.01-3.57). There were 6543 risk profiles associated with 10-year estimated cardiovascular disease risk above 7.5% for Black women but not for White women (median RD 6.14%, range 0.35-26.8%; median RR 2.29, range 1.05-12.6). There were 318 profiles with 10-year cardiovascular disease risk above 7.5% for White women but not Black women (median RD 3.71%, range 0.22-204%; median RR 1.66, range 1.03-5.46). For the population-based samples, we calculated the PCE-based 10-year cardiovascular disease risk for 1272 eligible participants (378 women; median age 48 years [IQR 44-52]; 100% White) in the FHS third generation cohort and 550 participants (223 women [36.8% Black] and 327 men [40.4% Black]; median age 61 years [IQR 52-67]) in the NHANES cohort. The population-based samples showed similar risk differences to that of the in silico analyses. Interpretation The PCE might generate substantially divergent cardiovascular disease risk estimates for Black versus White individuals with identical risk profiles, which could introduce race-related variations in dinical recommendations for cardiovascular disease prevention. Copyright (C) 2021 The Author(s). Published by Elsevier Ltd.
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