The impact of hindsight bias on the diagnosis of perioperative events by anesthesia providers: A multicenter randomized crossover study
Authors' conclusion
Hindsight bias influences the clinical diagnosis probabilities assigned by anesthesia providers.
Study context
- Population
- Faculty, fellow, and resident anesthesiologists and certified nurse anesthetists (CRNAs) at 2 academic medical centers rating diagnosis probabilities for intraoperative hypotension and hypoxia scenarioscompleted the study
- Participants
- 113 participants
- Comparison
- Hindsight case vs foresight case
Methodological detailsmulticentre, 2 x 3 between-subjects factorial design
- Multicentre
- 2 x 3 between-subjects factorial design
Primary result
As reported in the abstract
Likelihood of assigning higher probability to the anchored diagnosis
- Hypotension scenario: pulmonary embolus
- times more likely 2.82 (95% CI 1.35–5.90); P = 0.006
- Hypotension scenario: MI ("twice as likely")
- times more likely 2 (95% CI 1.12–3.58); P = 0.020
- Hypoxia scenario: mainstem bronchus intubation
- times more likely 1.78 (95% CI 1.00–3.14); P = 0.048
- Hypoxia scenario: pulmonary edema
- times more likely 3.72 (95% CI 1.88–7.35); P < 0.001
Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.
Original publication
The impact of hindsight bias on the diagnosis of perioperative events by anesthesia providers: A multicenter randomized crossover study. J Clin Anesth. Published 13 July 2024. doi:10.
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