The use of isCGM leads to marked reduction in severe hypoglycemia requiring emergency medical service or hospital admission and diabetic ketoacidosis in adult type 1 diabetes patients.

In subgroup analysis stratified by baseline HbA1c levels (HbA1c < 7%, 7–9%, and > 9% (< 53, 53–75, and > 75 mmol/mol)), the reduction in hypoglycemic events after the start of isCGM did not reach statistical significance.

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Patients with highest HbA1c (> 9% (> 75 mmol/mol)) showed a trend in lower rate of hypoglycemic events although it did not reach statistical significance ( p = 0.064).

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