INS and diabetes mellitus: BIA-ACC® analyzer, a dual-frequency device, was used to perform bioelectrical impedance analysis, and fat mass index and percentages of fat mass, free fat mass, total water content, extracellular and intracellular water, as well as basal metabolic rate and phase angle, were assessed; in patients with diabetes, information about disease duration, glycated hemoglobin, time in range, time above range, time below range, total daily insulin dose, and insulin delivery mode were collected.