tokens: METHODS : 93 female and 43 male patients undergoing thyroid surgery were stratified according to gender and then randomised to receive double-blind one of four antiemetic regimes : 50 mg dolasetron given orally 45 minutes prior to induction of anaesthesia ( group I ) , 12.5 mg dolasetron given intravenously during induction of anaesthesia ( group II ) , 1.25 mg DHB given intravenously during induction of anaesthesia ( group III ) or placebo ( group IV ) .
folded_tokens: method : 93 female and 43 male patient undergo thyroid surgery be stratify accord to gender and then randomise to receive double-blind one of four antiemetic regime : 50 mg dolasetron give orally 45 minute prior to induction of anaesthesia ( group I ) , 12.5 mg dolasetron give intravenously during induction of anaesthesia ( group ii ) , 1.25 mg dhb give intravenously during induction of anaesthesia ( group iii ) or placebo ( group iv ) .