These patients received treatment randomly with paliperidone ER , aripiprazole and ziprasidone and were assessed at baseline , @ , @ and @ weeks , respectively with Positive and Negative Syndrome Scale ( PANSS ) , @-item Clinical Global Impressions-Severity ( CGI-S ) , anthropometric ( weight , body mass index and waist circumference ) and metabolic ( fasting blood glucose , HbA@c , cholesterol , high density lipoproteins ( HDL ) , low density lipoproteins and triglycerides ) measures .