The mean (95% CI) HRs for the risk of CKD progression in CKD patients not on dialysis with Hb < 10 g/dL (n = 11) and 10–12 g/dL (n = 1) were 1.65 (1.36–2.00) and 1.41 (1.27–1.56), respectively. The gene discussed is GSTM1; the disease is chronic kidney disease.