The intention-to-treat ( ITT ) and per-protocol ( PP ) H.pylori eradication rates were @ % ( @/@ ) and @ % ( @/@ ) in the furazolidone-based quadruple group , and @ % ( @/@ ) and @ % ( @/@ ) in the levofloxacin-based quadruple group respectively ( ( @ ) = @ , @ ; P = @ , @ ) .