The adjusted mean total nasal symptom score AUC ( @-@h ) was significantly reduced versus placebo with @ mg of BI @ ( absolute difference , -@ ; percentage difference , -@ % ; P = @ ) , montelukast ( absolute difference , -@ ; percentage difference , -@ % ; P = @ ) , and fluticasone propionate ( absolute difference , -@ ; percentage difference , -@ % ; P < @ ) .