Previous Next H1H1 vs H1H2+H2H2 53 Alzheimer's disease LPR/LPR exon3 (766 C/T), CC vs CT+TT 4097 (8) 1·37 (1·18­1·58) 1·37 (1·08­1·73) 0·021 54 IgA nephropathy ACE (insertion/deletion), DD vs DI+II 1774 (7) 1·26 (1·02­1·55) 1·26 (0·99­1·61) 0·294 55 Heparin-induced FCGR2A (R131H), RR vs RH+HH 1939 (6) 1·02 (0·81­1·29) 0·81 (0·49­1·34) 0·023 thombocytopenia