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A systematic review provides an overview of primary studies investigating a given research question, e.g., the effect of a certain treatment. Individual study results are sometimes synthesised in a meta-analysis. A critical reader should consider whether the systematic review is relevant and reliable, e.g., does it follow a protocol, address the risk of bias, and consider potential heterogeneity. PRISMA 2020 guideline recommends a minimum set of items that should be reported in a systematic review article, and AMSTAR 2 and ROBIS are tools for critical appraisal of systematic reviews.
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Laursen et al. (2024) studied this question.
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