INS and diabetes mellitus: After adjustment for age, sex, BMI, eGFR, total cholesterol, HDL, LDL, TG, duration of diabetes, total daily dose of insulin, and insulin regimen, higher baseline HbA1c was a predictive marker for a better HbA1c reduction glycemic control following CGM use [β (95% CI) = −0.433 (−0.545, −0.321), P < 0.001].