Abstract
Hypertension is a risk factor of osteoporosis and hip fracture, but studies have yet to investigate whether blood pressure variability measured by the CV of blood pressure can predict hip fracture in older persons with diabetes. We conducted a retrospective cohort study on 21,160 patients who suffered from type 2 diabetes (age ≥ 50years) and participated in the National Diabetes Care Management Program in Taiwan. The patients' 1-year variability in systolic blood pressure (SBP) and diastolic blood pressure (DBP) at the baseline and subsequent hip fracture incidence for 8.2years were analyzed. There were 937 recorded incident hip fractures. SBP-CV and DBP-CV were classified based on their tertiles. After multivariate adjustment was conducted, SBP-CV found to be a predictor of hip fracture, and its hazard ratio was 1.18 (95% CI 1.00-1.40) for the third tertile compared with the first tertile. Our study suggests SBP stability is a predictor for hip fracture incidence in older persons with type 2 diabetes.
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