What question did this study set out to answer?

This assessment aims to evaluate the stability of Global Burden of Disease estimates over time.

March 15, 2026JAMA Health Forum0 citationsOpen Access

Instability of Global Burden of Disease Estimates of Deaths and Disability-Adjusted Life-Years From Major Risk Factors

EZEmmanuel A. Zavalis APA M Pezzullo JIJohn P. A. Ioannidis

Key Points

This assessment aims to evaluate the stability of Global Burden of Disease estimates over time.
Meta-epidemiological assessment conducted on GBD estimates.
Focus on deaths and disability-adjusted life-years.
Emphasis on behavioral risks as major risk factors.
GBD estimates show substantial instability over time.
Particularly noted for estimates related to behavioral risks.
Caution is warranted in interpreting changes in estimates.

Abstract

This meta-epidemiological assessment indicates that GBD estimates are substantially unstable, particularly for behavioral risks, making them unlikely to simply reflect genuine changes over time, and warranting caution in interpretation.

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