METHODS	Patients on orlistat experienced greater weight loss ( -5.4 + / - 6.4 versus -2.7 + / - 6.4 kg , P < 0.001 ) and greater reduction in body mass index ( -1.9 + / - 2.3 versus -0.9 + / - 2.2 kg/m2 , P < 0.001 ) .\