Trends in A1C Concentrations Among U.S. Adults With Diagnosed Diabetes From 1999 to 2004  

Oleh:

Ford, Earl S. ; Chaoyang, Li ; Little, Randie R. ; Mokdad, Ali H.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Diabetes Care vol. 31 no. 01 (Jan. 2008), page 102.
Topik: NHANES; National Health and Nutrition Examination Survey

Ketersediaan

Perpustakaan FK Nomor Panggil: D05.K.2008.01 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

INTRODUCTION A1C is formed when glucose reacts nonenzymatically with amino acids on hemoglobin. Its concentration represents an integrated measure of glucose concentration during hemoglobin's lifespan, which is about 2–3 months (1). Because A1C concentration predicts the risk for microvascular and macrovascular complications (2,3), it is used in the clinical setting to assess longer-term glycemic control among people with diabetes. Generally, A1C concentrations <7% are regarded as acceptable glycemic control (4). Approximately 44% of U.S. adults with diagnosed diabetes had a concentration of A1C <7% during 1988–1994 compared with 36–37.0% during 1999–2000 (5,6). More recently, data from the National Committee for Quality Assurance showed steady increases in the percentage of patients receiving annual testing for A1C and decreases in the percentage of patients with poor glycemic control from 2000 to 2006 (7). Our objective was to examine trends in glycemic control among U.S. adults with diagnosed diabetes from 1999 to 2004. RESEARCH DESIGN AND METHODS— The National Health and Nutrition Examination Survey (NHANES) 1999–2004 included nationally representative samples of the noninstitutionalized, civilian U.S. population, selected using a multistage, stratified sampling design (8). Participants were asked the following: "Other than during pregnancy, have you ever been told by a doctor or health professional that . . .

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