In contrast to RBCD, AI was associated with T2D (p < 0.001), BMI (p < 0.001), insulin resistance (HOMA-IR, p = 0.033), leptin (p < 0.001), C-peptide levels (p = 0.009), but not vascular complications (p = 0.156). The gene discussed is LEP; the disease is type 2 diabetes mellitus.