Endocrine oncology

The European Network for the Study of Adrenal Tumors Staging System (2015): A United States Validation

J Clin Endocrinol MetabPublished Retrospective cohort study

Authors' conclusion

The accuracy of mENSAT is virtually the same as that of AJCC in predicting CSM (74.7% vs 74.5%) and OM (73.7% vs 73.5%). However, calibration is lower for mENSAT than for AJCC. In consequence, no obvious benefit appears to be associated with the use of mENSAT relative to AJCC in US ACC patients.

Study context

Population
Adrenocortical carcinoma (ACC) patients of all stages, Surveillance, Epidemiology, and End Results (SEER) database (2004–2020)
Participants
858 patients
Exposure
mENSAT vs AJCC 8th edition staging
Outcome
Accuracy and calibration in predicting cancer-specific mortality (CSM) and overall mortality (OM)
Follow-up
3-year
Methodological detailspopulation-based, staging system validation
  • Population-based
  • Staging system validation

Main finding

As reported in the abstract

Accuracy for 3-year CSM predictions

Observational data: associations, not effects.

Further findings

Accuracy for 3-year OM predictions

OutcomemENSATAJCC
Calibration: maximum departure from ideal predictions
CSM+17.2%−6.7%
OM+11.8%−7.1%

Original publication

The European Network for the Study of Adrenal Tumors Staging System (2015): A United States Validation. J Clin Endocrinol Metab. Published 24 January 2024. doi:10.1210/clinem/dgae047

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