GSTM1 and hypertensive disorder: Patients with HTN (HR: 0.258, 95% CI = 0.082–0.818, P = 0.021), Hb ≥ 10,0 mg/dL (HR: 0.294, 95% CI = 0.093–0.927, P = 0.037), and patients with higher rKT/V (HR: 0,016, 95% CI = 0.000–0.400, P = 0.016) were associated with lower risk.