For individual questions , @ % of men rated tadalafil treatment as ` effective/very effective ' ( Question @ , Q@ ) vs placebo ( P = @ ) , @ % would ` definitely/probably recommend their treatment ' ( Q@ ; P = @ ) , @ % were generally ` very satisfied/satisfied with their medication ' ( Q@ ; P < @ ) , and @ % would ` definitely/probably continue therapy ' ( Q@ ; P = @ ) .