Variability in hemoglobin A1c predicts all-cause mortality in patients with type 2 diabetes

doi:10.1016/j.jdiacomp.2012.03.028

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標題:	Variability in hemoglobin A1c predicts all-cause mortality in patients with type 2 diabetes
作者:	Ma, Wen-Ya Li, Hung-Yuan Pei, Dee Hsia, Te-Lin Lu, Kuo-Cheng Tsai, Li-Yu Wei, Jung-Nan Su, Ching-Chieh
貢獻者:	職業安全衛生系
關鍵字:	Hemoglobin A1C Glucose Fluctuations A1C Variability Type 2 Diabetes Mortality
日期:	2012-07
上傳時間:	2014-03-21 16:15:18 (UTC+8)
出版者:	Elsevier Science Inc
摘要:	Background: To evaluate the relationship between hemoglobin A1c variability and all-cause mortality in type 2 diabetic patients.Methods: This was a retrospective cohort study in type 2 diabetic patients followed for at least 2 years between 2003 and 2009. A1C variability was determined from the standard deviation or coefficient of variation of serial A1C values (A1C(SD) or A1C(CV)). Subjects were categorized into either the high or low A1C variability group according to their A1C(CV) median. Hazard ratios (HRs) of various factors for all-cause mortality were determined from Cox's proportional hazard models.Results: A total of 881 subjects (422 men, 459 women) were included and 73 (8.3%) died during follow-up. The follow-up period was 4.7 +/- 2.3 years. All-cause mortality was higher in subjects with high A1C(CV) (11.0% vs. 5.4%, p = 0.002). In the Kaplan-Meier failure curve, subjects with higher A1C(CV) demonstrated a trend of higher mortality (p = 0.1). In multivariate Cox's proportional hazards models, A1C(SD) and A1C(CV) significantly predicted all-cause mortality with an HR of 1.987 (p = 0.02) and 1.062 (p = 0.013), respectively, after adjusting for age, gender, body mass index, duration of diabetes, mean systolic blood pressure, use of antihypertensives and statins, mean LDL-cholesterol, smoking status, chronic kidney disease, and mean A1C values (A1C(MEAN)). The ability of A1C(SD) and A1C(CV) to predict all-cause mortality was more evident in subjects with relatively low A1C(MEAN).Conclusions: A1C variability is an important risk factor for all-cause mortality in type 2 diabetic patients. (C) 2012 Elsevier Inc. All rights reserved.
關聯:	Journal of Diabetes And Its Complications v.26 n.4 pp.296-300
显示于类别:	[職業安全衛生系(含防災所)] 期刊論文

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