The Canadian Hypoglycemia Assessment Tool Program: Insights Into Rates and Implications of Hypoglycemia From an Observational Study

Canadian Journal of Diabetes
R AronsonHarpreet Bajaj

Abstract

The true prevalence of hypoglycemia in insulin-treated patients with diabetes and its impact on patients, employers and healthcare providers is poorly appreciated owing to a paucity of real-world data. The global Hypoglycemia Assessment Tool (HAT) study addressed this issue, and here we report data from the Canadian cohort of patients. This noninterventional, 6-month retrospective and 4-week prospective study enrolled patients aged ≥18 years receiving insulin treatment for >12 months from community endocrinology practices. Data were collected using self-assessment questionnaires and patient diaries. The primary endpoint was the proportion of patients experiencing ≥1 hypoglycemic event during the 4-week prospective observational period. Four hundred ninety-eight patients with type 1 diabetes (n=183) and type 2 diabetes (n=315) were enrolled. The prevalence of hypoglycemia was similar in the retrospective (type 1 diabetes, 92.3%; type 2 diabetes, 63.5%) and prospective (type 1 diabetes, 95.2%; type 2 diabetes, 64.2%) periods. Prospective rates of any, nocturnal and severe hypoglycemia per patient-year (95% confidence interval) were 69.3 (66.4; 72.2), 14.2 (12.9; 15.6) and 1.8 [1.4; 2.4]. Higher rates were reported retrospectively...Continue Reading

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