Why the study?
How accurate and variable are clinicians' estimates of pre-test probability for common clinical scenarios compared to validated clinical decision rules?
Population
819 doctors
Comparison
Postal questionnaire survey eliciting pre-test… vs Validated clinical-decision rules
Design
Cross-sectional
Authors
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Clinicians' pre-test probability estimates show low accuracy and wide variability; supports decision rule evaluation but leaves open effects on outcomes.
How accurate and variable are clinicians' estimates of pre-test probability for common clinical scenarios compared to validated clinical decision rules?
Experienced clinicians show wide variability and often poor accuracy in estimating pre-test probabilities, highlighting the need for clinical decision rules to support decision making.
Attia et al. (2004) studied this question.
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