Reductions in BMI were greater in the LGI group than in the LF group , whereas in the HGI group , reductions in BMI did not differ significantly from those in the other @ groups ( LGI : -@ @ ; HGI : -@ @ ; LF : -@ @ ; F = @ , P = @ ; pairwise comparisons : LGI compared with HGI , P = @ ; LGI compared with LF , P = @ ; HGI compared with LF , P = @ ) .