INS and diabetes mellitus: Subgroup analysis was conducted based on the following variables, namely, age at onset of diabetes (<50, ≥50 years), BMI (<25, ≥25 kg/m2), eGFR (<60, ≥60 mL/min/1.73 m2), family history of diabetes (with, without), SBP (<140, ≥140 mmHg), total cholesterol (<200, ≥200 mg/dL), triglycerides (<150, ≥150 mg/dL), insulin use (with, without), and baseline HbA1c (<7, ≥7%).