Perioperative medicine & outcomes

Antiemetic Administration and Its Association with Race: A Retrospective Cohort Study

AnesthesiologyPublished Retrospective cohort study

Main findingResult — go to the resultAdjusted odds ratio 0.82 95% CI 0.81–0.82

Authors' conclusion

In a perioperative registry data set, Black versus White patient race was associated with less antiemetic administration, after controlling for all accepted postoperative nausea and vomiting risk factors.

Study context

Population
Anesthetic cases in the Multicenter Perioperative Outcomes Group data, 2004 to 2018, 39 institutions in the US and The Netherlands
Exposure
Black vs White patient race
  • Blackn = 496,456
  • Whiten = 3.49 millionreference
Outcome
Administration of either ondansetron or dexamethasone
Methodological detailsmulticentre registry, confounder-adjusted multivariable regression, institutions as random effects, Adjusted for Apfel PONV risk factors (sex, smoking history, PONV or motion sickness history, postoperative opioid use) and age
  • Multicentre registry
  • Confounder-adjusted multivariable regression
  • Institutions as random effects
  • Adjusted for Apfel PONV risk factors (sex, smoking history, PONV or motion sickness history, postoperative opioid use) and age

Main finding

As reported in the abstract

Adjusted odds ratio

0.82

95% CI 0.81–0.82

P < 0.001

Events by group

Black vs White
aOR 0.82 (95% CI 0.81–0.82); P < 0.001

Observational data: associations, not effects.

Secondary outcomes

OutcomeBlackWhiteaOR (95% CI)P value
Any dexamethasone28.3%37.0%0.78 (0.77–0.78)P < 0.001
Any ondansetron52.8%56.1%0.84 (0.84–0.85)P < 0.001
Dexamethasone and ondansetron together22.7%28.9%0.78 (0.77–0.79)P < 0.001

Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.

Original publication

Antiemetic Administration and Its Association with Race: A Retrospective Cohort Study. Anesthesiology. Published 9 May 2023. doi:10.1097/aln.0000000000004549

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