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Random plasma glucose in serendipitous screening for glucose intolerance: screening for impaired glucose tolerance study 2.

Abstract：

BACKGROUND:With positive results from diabetes prevention studies, there is interest in convenient ways to incorporate screening for glucose intolerance into routine care and to limit the need for fasting diagnostic tests. OBJECTIVE:The aim of this study is to determine whether random plasma glucose (RPG) could be used to screen for glucose intolerance. DESIGN:This is a cross-sectional study. PARTICIPANTS:The participants of this study include a voluntary sample of 990 adults not known to have diabetes. MEASUREMENTS:RPG was measured, and each subject had a 75-g oral glucose tolerance test several weeks later. Glucose intolerance targets included diabetes, impaired glucose tolerance (IGT), and impaired fasting glucose(110) (IFG(110); fasting glucose, 110-125 mg/dl, and 2 h glucose < 140 mg/dl). Screening performance was measured by area under receiver operating characteristic curves (AROC). RESULTS:Mean age was 48 years, and body mass index (BMI) was 30.4 kg/m(2); 66% were women, and 52% were black; 5.1% had previously unrecognized diabetes, and 24.0% had any "high-risk" glucose intolerance (diabetes or IGT or IFG(110)). The AROC was 0.80 (95% CI 0.74-0.86) for RPG to identify diabetes and 0.72 (0.68-0.75) to identify any glucose intolerance, both highly significant (p < 0.001). Screening performance was generally consistent at different times of the day, regardless of meal status, and across a range of risk factors such as age, BMI, high density lipoprotein cholesterol, triglycerides, and blood pressure. CONCLUSIONS:RPG values should be considered by health care providers to be an opportunistic initial screening test and used to prompt further evaluation of patients at risk of glucose intolerance. Such "serendipitous screening" could help to identify unrecognized diabetes and prediabetes.

journal_name

J Gen Intern Med

journal_title

Journal of general internal medicine

authors

Ziemer DC,Kolm P,Foster JK,Weintraub WS,Vaccarino V,Rhee MK,Varughese RM,Tsui CW,Koch DD,Twombly JG,Narayan KM,Phillips LS

doi

10.1007/s11606-008-0524-1

subject

Has Abstract

pub_date

2008-05-01 00:00:00

pages

528-35

issue

eissn

0884-8734

issn

1525-1497

journal_volume

pub_type

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Random plasma glucose in serendipitous screening for glucose intolerance: screening for impaired glucose tolerance study 2.