Katja Matthias

International comparison of minimum volume standards for hospitals.

J. Morche, D. Renner, B. Pietsch, 2018, Health policy.

Reply to letter to the editor by Franco et al. AMSTAR 2 overall confidence rating: A call for even more transparency.

D. Pieper, R. Lorenz, O. Rissling, 2021, Journal of clinical epidemiology.

Authors should clearly report how they derived the overall rating when applying AMSTAR 2 - a cross-sectional study.

D. Pieper, R. Lorenz, O. Rissling, 2020, Journal of clinical epidemiology.

AMSTAR 2 overall confidence rating: Lacking discriminating capacity or requirement of high methodological quality?

D. Pieper, R. Lorenz, O. Rissling, 2020, Journal of clinical epidemiology.

The application of AMSTAR2 in 32 overviews of systematic reviews of interventions for mental and behavioural disorders: A cross‐sectional study

R. Lorenz, K. K. De Santis, Katja Matthias, 2021, Research synthesis methods.

Fast and frugal decision tree for the rapid critical appraisal of systematic reviews

Katja Matthias, Robert C Lorenz, Mirjam A. Jenny, 2023, medRxiv.

The methodological quality of systematic reviews on the treatment of adult major depression needs improvement according to AMSTAR 2: A cross-sectional study

D. Pieper, R. Lorenz, O. Rissling, 2020, Heliyon.

A psychometric study found AMSTAR 2 to be a valid and moderately reliable appraisal tool.

D. Pieper, R. Lorenz, O. Rissling, 2019, Journal of clinical epidemiology.