At 60 months , 18 participants ( 60 % ; 95 % confidence interval ( CI ) , 42 to 78 % ) in the SAGB group and nine participants ( 30 % ; 95 % CI , 13 to 47 % ) in the SG group achieved the primary end points ( odds ratio ( OR ) , 0.3 ; 95 % CI , 0.1 to 0.8 % ) .