Abstract：
OBJECTIVE:Screening involves the presumptive identification of asymptomatic individuals at increased risk for unrecognized disease. We examined changes in screening practices for prediabetes and diabetes since January 2010, when HbA1c was first recommended as an option for screening and diagnosis. RESEARCH DESIGN AND METHODS:We studied members without diabetes of an HMO ≥45 years of age continuously enrolled for ≥3 years and assigned to primary care clinicians affiliated with a large academic health system. We defined screening as the first oral glucose tolerance test, HbA1c, or glucose test performed between 2010 and 2014. RESULTS:Of 12,772 eligible patients, 9,941 (78%) were screened at least once over 3 years. HbA1c was the initial screening test 14% of the time and glucose 86% of the time. Of those screened with HbA1c, 63% had abnormal results defined as HbA1c ≥5.7% (≥39 mmol/mol). Of those tested with glucose, 30% had abnormal results defined as glucose ≥100 mg/dL, and 5% had abnormal results defined as glucose ≥126 mg/dL. Patients with abnormal HbA1c levels and those with glucose levels ≥126 mg/dL were equally likely to be scheduled for follow-up appointments (41% vs. 39%), but those with abnormal HbA1c levels were more likely to be diagnosed with prediabetes or diabetes (36% vs. 26%). CONCLUSIONS:As we observed in 2004, rates of screening are high. HbA1c is still used less frequently than glucose for screening but is more likely to result in a clinical diagnosis. Evidence to support guidelines to define the role of random glucose screening, including definition of appropriate cut points and follow-up, is needed.
journal_name
Diabetes Carejournal_title
Diabetes careauthors
Evron JM,Herman WH,McEwen LNdoi
10.2337/dc17-1726subject
Has Abstractpub_date
2019-04-01 00:00:00pages
576-584issue
4eissn
0149-5992issn
1935-5548pii
dc17-1726journal_volume
42pub_type
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