Systematic reviews on interventions for COVID-19 have rarely graded the certainty of the evidence

Ref ID 833
First Author A.L.C. Martimbianco
Journal SAO PAULO MEDICAL JOURNAL
Year Of Publishing 2021
URL https://www.scielo.br/j/spmj/a/pVmdZzXs3T9v9TpNXxRnc3q/?format=pdf&lang=en
Keywords • Non-Cochrane reviews
• Certainty
• COVID
Problem(s) • Interpreted without considering certainty or overall quality of the evidence base
Article Type Empirical
Article Subtype Cross-sectional survey/Methodological systematic review
First Author Country Brazil
Aim To assess how many systematic reviews indexed in MEDLINE (via PubMed) on the therapeutic or preventive options for COVID-19 assessed the certainty of the evidence through the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach
Level of Investigation Descriptive
Summary of Findings From 177 included systematic reviews on the therapeutic or preventive options for COVID-19, indexed on MEDLINE (via PubMed) on January 20, 2021. Of the 177 systematic reviews on interventions conducted in relation to COVID-19, only 37/177 (21%) assessed the certainty of the evidence using GRADE.
Number of systematic reviews included 177
Number of eligible systematic reviews assessed 1075
Treatment impacted No
Treatment impacted description
Interpretation impacted Not Applicable
Interpretation impacted description