Safety, quality & education

Clinical vs. autopsy diagnostic discrepancies in the intensive care unit: a systematic review and meta-analysis of autopsy series

Intensive Care MedPublished Systematic review and meta-analysis of autopsy series

Authors' conclusion

Missed diagnoses remain common in ICUs. A higher autopsy rate does not reveal more major diagnostic errors.

Study context

Population
Adult intensive care unit (ICU) patients who underwent conventional autopsy
Participants
6,305 patients · 42 studies
Comparison
Clinical vs autopsy-based diagnoses
Outcome
Class I missed diagnoses
Methodological detailsmixed-effects logistic regression, meta-regression
  • Mixed-effects logistic regression
  • Meta-regression

Pooled result

As reported in the abstract

Class I missed diagnoses (pooled discrepancy rate)

Pooled Class I discrepancy rate

6.5%

95% CI 5–8.5

Further pooled results

Major missed diagnoses (pooled discrepancy rate)

Pooled major discrepancy rate
19.3% (95% CI 15.3-24)

Patients with missed diagnoses

Patients with missed diagnoses
1759

Meta-regression: autopsy rate

Autopsy rate inversely associated with discrepancy rate

Meta-regression: start year of study

Class I discrepancy rates did not change over time

Meta-regression: ICU type

Lower discrepancy rates in burn and trauma ICUs vs medical ICUs, possibly because of higher autopsy rates

Original publication

Clinical vs. autopsy diagnostic discrepancies in the intensive care unit: a systematic review and meta-analysis of autopsy series. Intensive Care Med. Published 17 September 2024. doi:10.1007/s00134-024-07641-y

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