期刊
DIABETES CARE
卷 34, 期 1, 页码 121-125出版社
AMER DIABETES ASSOC
DOI: 10.2337/dc10-1265
关键词
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资金
- National Heart, Lung, and Blood Institute [N01-HC- 25195]
- National Institute for Diabetes and Digestive and Kidney Diseases (NIDDK) [R01 DK078616, K24 DK080140, K23 DK65978, R21 DK084527]
- Instituto de Salud Carlos III, Madrid, Spain [2009/90071]
- National Institutes of Health National Center for Research Resources [1S10RR163736-01A1]
- Medical Research Council [MC_U106179474] Funding Source: researchfish
- DIVISION OF EPIDEMIOLOGY AND CLINICAL APPLICATIONS [N01HC025195] Funding Source: NIH RePORTER
- NATIONAL HEART, LUNG, AND BLOOD INSTITUTE [ZIAHL006094] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE OF DIABETES AND DIGESTIVE AND KIDNEY DISEASES [R01DK078616, K23DK065978, K24DK080140, R21DK084527] Funding Source: NIH RePORTER
- MRC [MC_U106179474] Funding Source: UKRI
OBJECTIVE- To test if knowledge of type 2 diabetes genetic variants improves disease prediction. RESEARCH DESIGN AND METHODS- We tested 40 single nucleotide polymorphisms (SNPs) associated with diabetes in 3,471 Framingham Offspring Study subjects followed over 34 years using pooled logistic regression models stratified by age (<50 years, diabetes cases = 144; or >= 50 years, diabetes cases = 302). Models included clinical risk factors and a 40-SNP weighted genetic risk score. RESULTS- In people <50 years of age, the clinical risk factors model C-statistic was 0.908; the 40-SNP score increased it to 0.911 (P = 0.3; net reclassification improvement (NRI): 10.2%, P = 0.001). In people >= 50 years of age, the C-statistics without and with the score were 0.883 and 0.884 (P = 0.2; NRI: 0.4%). The risk per risk allele was higher in people <50 than >= 50 years of age (24 vs. 11%; P value for age interaction = 0.02). CONCLUSIONS- Knowledge of common genetic variation appropriately reclassifies younger people for type 2 diabetes risk beyond clinical risk factors but not older people.
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