The eradication rates by intention-to-treat analysis were 64.3 % ( 95 % CI : 55.5-73 .2 ; 74 of 115 patients ) , 72.1 % ( 95 % CI : 63.6-80 .5 ; 80 of 111 patients ) , and 80.2 % ( 95 % CI : 72.5-87 .9 ; 85 of 106 patients ) in the 7-day PPI triple , 10-day and 15-day sequential therapy groups , respectively ( p = 0.032 ) .