GSTM1 and coronary artery disorder: In 2015 the patients with HV infection had a significantly longer average dialysis therapy duration (7.7 vs. 3.9 years, p < 0.0001), lower prevalence of Type 2 DM (21 vs. 27.7%, p = 0.021), lower prevalence of coronary artery disease (43.1 vs. 69.4%, p < 0.0001), though the higher prevalence of heart valve calcification (77.8 vs 66.2% p < 0.001), higher average Hb levels (11.2 vs 10.8 g/dl, p < 0.0001), higher iPTH average values (535.5 vs. 436.2 pg/ml, p = 0.005) and more parathyroidectomy (9.7 vs 5.1%, p = 0.003), however, average calcium and phosphate levels did not differ.