The multivariate analysis produced similar results when adjustment was made for age, systolic hypertension, s-Alb, CRP, dialysis vintage, and nPCR, which significantly differed between groups, or for sex, diastolic hypertension, Hb, corrected serum Ca, P, and intact PTH, which were suggested to be associated with prognosis in HD patients. The gene discussed is GSTM1; the disease is Huntington disease.