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Associations Between Prediabetes, by Three Different Diagnostic Criteria, and Incident CVD Differ in South Asians and Europeans

Diabetes care, 2015-12, Vol.38 (12), p.2325-2332 [Peer Reviewed Journal]

2015 by the American Diabetes Association. Readers may use this article as long as the work is properly cited, the use is educational and not for profit, and the work is not altered. ;Copyright American Diabetes Association Dec 2015 ;ISSN: 0149-5992 ;EISSN: 1935-5548 ;DOI: 10.2337/dc15-1078 ;PMID: 26486189 ;CODEN: DICAD2

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  • Title:
    Associations Between Prediabetes, by Three Different Diagnostic Criteria, and Incident CVD Differ in South Asians and Europeans
  • Author: Eastwood, Sophie V ; Tillin, Therese ; Sattar, Naveed ; Forouhi, Nita G ; Hughes, Alun D ; Chaturvedi, Nish
  • Subjects: Asian people ; Asians - statistics & numerical data ; Blood pressure ; Cardiovascular disease ; Cohort Studies ; Coronary Disease - epidemiology ; Diabetes ; Diagnostics ; Ethnicity - statistics & numerical data ; Female ; Humans ; Incidence ; Male ; Middle Aged ; Prediabetic State - diagnosis ; Prediabetic State - epidemiology ; Risk Factors ; Stroke - epidemiology ; Whites - statistics & numerical data
  • Is Part Of: Diabetes care, 2015-12, Vol.38 (12), p.2325-2332
  • Description: We examined longitudinal associations between prediabetes and cardiovascular disease (CVD) (coronary heart disease [CHD] and stroke) in Europeans and South Asians. This was a U.K. cohort study of 1,336 Europeans and 1,139 South Asians, aged 40-69 years at baseline (1988-1991). Assessment included blood pressure, blood tests, anthropometry, and questionnaires. Prediabetes was determined by OGTT or HbA1c, using either International Expert Committee (IEC) (HbA1c 6.0-6.5% [42-48 mmol/mol]) or American Diabetes Association (ADA) (HbA1c 5.7-6.5% [39-48 mmol/mol]) cut points. Incident CHD and stroke were established at 20 years from death certification, hospital admission, primary care record review, and participant report. Compared with normoglycemic individuals, IEC-defined prediabetes was related to both CHD and CVD risk in Europeans but not South Asians (subhazard ratio for CHD 1.68 [95% CI 1.19, 2.38] vs. 1.00 [0.75, 1.33], ethnicity interaction P = 0.008, and for CVD 1.49 [1.08, 2.07] vs. 1.03 [0.78, 1.36], ethnicity interaction P = 0.04). Conversely, IEC-defined prediabetes was associated with stroke risk in South Asians but not Europeans (1.73 [1.03, 2.90] vs. 0.85 [0.44, 1.64], ethnicity interaction P = 0.11). Risks were adjusted for age, sex, smoking, total-to-HDL cholesterol ratio, waist-to-hip ratio, systolic blood pressure, and antihypertensive use. Associations were weaker for OGTT or ADA-defined prediabetes. Conversion from prediabetes to diabetes was greater in South Asians, but accounting for time to conversion did not account for these ethnic differences. Associations between prediabetes and CVD differed by prediabetes diagnostic criterion, type of CVD, and ethnicity, with associations being present for overall CVD in Europeans but not South Asians. Substantiation of these findings and investigation of potential explanations are required.
  • Publisher: United States: American Diabetes Association
  • Language: English
  • Identifier: ISSN: 0149-5992
    EISSN: 1935-5548
    DOI: 10.2337/dc15-1078
    PMID: 26486189
    CODEN: DICAD2
  • Source: GFMER Free Medical Journals
    MEDLINE
    Alma/SFX Local Collection

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