The DR score demonstrated noteworthy correlations with various clinical parameters, including the duration of diabetes, eGFR, urinary albumin-to-creatinine ratio, sural SNCV, tibial MNCV, tibial CMAP amplitude, the severity of DPN as classified by the BDC (stages 0–4), deep breathing CVR-R, as well as the implicit time and amplitude in ERG (Table 2). The gene discussed is ALB; the disease is diabetes mellitus.