GSTM1 and diabetes mellitus: There were no differences between the two groups regarding age, eGFR, metabolic parameters (dyslipidemia, diabetes (DM), obesity, body mass index (BMI), hypertension), ejection fraction, laboratory results (hemoglobin (Hb), albuminuria (AU), uric acid (UA), using angiotensin-converting enzyme inhibitor (ACEI), angiotensin II receptor blocker (ARB), statins, or MEST-C score.