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One-Year Variation of Fasting Plasma Glucose is a Strong Predictor of Hip Fracture in Elders with Type 2 Diabetes Mellitus: The Taiwan Diabetes Study

並列摘要


Background: Glucose stability is one of the goals in the management of diabetes. Diabetes is reported to be a risk factor of osteoporosis, an important risk factor of hip fracture. However, epidemiological studies exploring the effect of glucose stability on the risk of hip fracture among type 2 diabetic patients hasn't been done. The present study examined the association between one-year glucose variation as measured by coefficient of variation (CV) of fasting plasma glucose (FPG) and hemoglobin A1c (HbA1c) and hip fracture in a large number of type 2 diabetes patients followed for an average of 7.22 years. Methods: We conducted a retrospective cohort study on 13,730 type 2 diabetes elders who participated in the National Diabetes Case Management Program in Taiwan. One-year variation of HbA1c and FPG at baseline and hip fracture events over the 8-9 years was analyzed. Results: There were a total of 933 incident cases of hip fracture. Patients were grouped in tertiles of FPG-CV and HbA1c-CV. The incidence rates for FPG-CV were 7.55, 9.80, and 10.87 per 1000 person years and for HbA1c-CV were 8.71, 9.41, and 10.12 per 1000 person years in the groups of 1st , 2nd, and 3rd tertile, respectively. After adjusting for age, gender, duration of diabetes, type of treatment, smoking, hypertension, hyperlipidemia, FPG-M, HbA1C, and complications, FPG-CV was independently associated with hip fracture, but HbA1c-CV was not. The hazard ratios of hip fracture for 2nd, 3rd versus 1st tertile of FPG-CV were 1.19 (1.01-1.41), and 1.23 (1.04-1.46), respectively. Conclusion: Patients categorized as FPG variation greater than 17.62% or more exhibited an increased risk of hip fracture, confirming a linear relationship. One-year variation of FPG was a strong predictor of hip fracture in type 2 diabetic patients. Our study findings suggest that glucose variation may become a measure in clinical practice for the goal in the management of these patients.

並列關鍵字

diabetes fasting plasma glucose hip fracture

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