INS and diabetes mellitus: A retrospective study of people with T2D using CGM continuously as part of an intensive diabetes management program also reported a significant decrease in CGM-derived mean glucose (147.4, SD 59.1 mg/dL to 122.6, SD 33.3 mg/dL; P<.001), and significant improvement in HbA1C, insulin resistance, and fasting blood glucose at 90 days [15].