Statistically significant variations were found among both groups regarding age [54 (47–58) vs 36 (29–45); p < 0.001], smoking status, BMI, presence of DM and hypertension, utilization of ACEI, preoperative Hb, creatinine, eGFR, and serum uric acid. The gene discussed is GSTM1; the disease is hypertensive disorder.