According to the analysis of intention-to-treat ( ITT ) , the H. pylori eradication rates were 71.91 % ( 64/89 ) in 7-day triple , 81.32 % ( 74/91 ) in 10-day triple , 78.41 % ( 69/88 ) in 7-day quadruple and 83.15 % ( 74/89 ) in 10-day quadruple groups .