Difference in risk factors for XXXX .

@entity1 @entity390 @entity391 @entity2704 @entity282 @entity1209
BACKGROUND: It is commonly stated that risk factors for postoperative @entity390 are the same as for @entity391 . The authors designed a prospective study to identify and differentiate the risk factors for @entity1209 in various surgical populations in a clinical audit setting. METHODS: The study included 671 consecutive surgical inpatients, aged 15 yr or more, undergoing various procedures. The study focused on postoperative @entity390 visual analog scale scores every 4 h and @entity391 episodes within 72 h. Both @entity391 and retching were considered as emetic events. @entity1 -, anesthesia-, and surgery-related variables that were considered to have a possible effect on the proportion of @entity1 experiencing @entity1209 were examined. The bivariate Dale model for binary correlated outcomes was used to identify selectively the potential risk factors of @entity1209 . RESULTS: Among the 671 @entity1 in the study, 126 (19%) reported one or more episodes of @entity390 , and 66 @entity1 (10%) suffered one or more emetic episodes during the studied period. There was a highly significant association between the two outcomes. Some risk factors were predictive of both @entity390 and @entity391 (female gender, nonsmoking status, and general anesthesia). History of @entity2704 and type of surgery were mainly responsible for @entity390 but not for @entity391 . The predictive effect of risk factors was controlled for @entity282 and analgesic drugs. CONCLUSION: This study shows that differences exist in risk factors of @entity1209 . These could be explained by differences in the physiopathology of the two symptoms.
