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Cognitive Bias and Diagnostic Errors among Physicians in Japan: A Self-Reflection Survey
Takashi Watari1,2, Yasuharu Tokuda3, Yu Amano4
1General Medicine Center, Shimane University Hospital, Izumo 693-8501, Japan.
Summary
Physicians often make diagnostic errors due to cognitive biases like anchoring and premature closure, particularly in emergency departments. Emergency room settings significantly increase the risk of these biases, leading to medical errors.
Area of Science:
- Medical error analysis
- Cognitive psychology in medicine
Background:
- Diagnostic errors are a significant concern in healthcare.
- Understanding the cognitive and situational factors contributing to these errors is crucial for improving patient safety.
Purpose of the Study:
- To investigate the relationship between cognitive biases and situational factors in physicians' diagnostic errors.
- To identify common cognitive biases and environmental influences associated with diagnostic errors.
Main Methods:
- Cross-sectional study utilizing a self-reflection questionnaire survey.
- Data collected from 130 primary care physicians across seven medical conferences.
- Analysis included frequency counts and multivariate logistic regression.
Main Results:
- The emergency department was the most frequent setting for diagnostic errors (47.7%).
- Common cognitive biases included anchoring (60.0%), premature closure (58.5%), and availability bias (46.2%).
- Emergency room care was significantly associated with an increased likelihood of cognitive bias (adjusted odds ratio 3.96, p=0.028).
Conclusions:
- Cognitive biases, such as anchoring and premature closure, are frequently implicated in physicians' diagnostic errors.
- Environmental factors, particularly emergency room situations, can induce cognitive biases.
- Addressing cognitive biases and situational factors in emergency care may help reduce diagnostic errors.
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