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Flow-mediated dilation values (FMD) according to tertiles of % time spent in hypoglycemia (IG < 54 mg/dL). IG: interstitial glucose. Lowest tertile: time in hypoglycemia ≤ 0.2%; Middle tertile: time in hypoglycemia 0.3–2.8%; Highest tertile: time in hypoglycemia > 2.8%. Comparisons were made with Mann−Whitney U-test.
