Top cited articles

Biomarkers and outcomes of COVID-19 hospitalisations: systematic review and meta-analysis Malik, Preeti; Patel, Urvish; Mehta, Deep. et al 10.1136/bmjebm-2020-111536 COVID-19 and the US response: accelerating health inequities Okonkwo, Nneoma E.; Aguwa, Ugochi T.; Jang, Minyoung. et al 10.1136/bmjebm-2020-111426 Inactivated trivalent influenza vaccination is associated with lower mortality among patients with COVID-19 in Brazil Fink, Guenther; Orlova-Fink, Nina; Schindler, Tobias; Grisi, Sandra et al 10.1136/bmjebm-2020-111549 Transparency of COVID-19 vaccine trials: decisions without data Tanveer, Sarah; Rowhani-Farid, Anisa; Hong, Kyungwan; et al 10.1136/bmjebm-2021-111735 Is there a smoker's paradox in COVID-19? Usman, Muhammad Shariq; Siddiqi, Tariq Jamal; Khan, Muhammad Shahzeb; et al 10.1136/bmjebm-2020-111492 Misleading clinical evidence and systematic reviews on ivermectin for COVID-19 Ignacio Garegnani, Luis; Madrid, Eva; Meza, Nicolas 10.1136/bmjebm-2021-111678 Effectiveness of tests to detect the presence of SARS-CoV-2 virus, and antibodies to SARS-CoV-2, to inform COVID-19 diagnosis: a rapid systematic review Jarrom, David; Elston, Lauren; Washington, Jennifer; et al 10.1136/bmjebm-2020-111511 Asthma and COVID-19: review of evidence on risks and management considerations Hartmann-Boyce, Jamie; Gunnell, James; Drake, Jonny; et al 10.1136/bmjebm-2020-111506 Summarising good practice guidelines for data extraction for systematic reviews and meta-analysis Taylor, Kathryn S.; Mahtani, Kamal R.; Aronson, Jeffrey K. 10.1136/bmjebm-2020-111651 Framework for the synthesis of non-randomised studies and randomised controlled trials: a guidance on conducting a systematic review and meta-analysis for healthcare decision making Sarri, Grammati; Patorno, Elisabetta; Yuan, Hongbo; et al 10.1136/bmjebm-2020-111493

Characteristics, quality and volume of the first 5 months of the COVID-19 evidence synthesis infodemic: a meta-research study Abbott, Rebecca; Bethel, Alison; Rogers, Morwenna. et al 10.1136/bmjebm-2021-111710 Effectiveness of honey for symptomatic relief in upper respiratory tract infections: a systematic review and meta-analysis Abuelgasim, Hibatullah; Albury, Charlotte; Lee, Joseph 10.1136/bmjebm-2020-111336 Patient-reported outcome measures (PROMs) as proof of treatment efficacy Kluzek, Stefan; Dean, Benjamin; Wartolowska, Karolina A 10.1136/bmjebm-2020-111573 Diagnostic accuracy of rapid point-of-care tests for diagnosis of current SARS-CoV-2 infections in children: a systematic review and meta-analysis Fujita-Rohwerder, Naomi; Beckmann, Lars; Zens, Yvonne; et al 10.1136/bmjebm-2021-111828 Limited engagement with transparent and open science standards in the policies of pain journals: a cross-sectional evaluation Cashin, Aidan G.; Bagg, Matthew K.; Richards, Georgia C.; et a 10.1136/bmjebm-2019-111296 Assessment of assumptions of statistical analysis methods in randomised clinical trials: the what and how Norskov, Anders Kehlet; Lange, Theis; Nielsen, Emil Eik; et al 10.1136/bmjebm-2019-111268 Teaching clinicians shared decision making and risk communication online: an evaluation study Hoffmann, Tammy C.; Del Mar, Chris; Santhirapala, Ramai; et al 10.1136/bmjebm-2020-111521 Factors influencing estimated effectiveness of COVID-19 vaccines in non-randomised studies Ioannidis, John P. A. 10.1136/bmjebm-2021-111901 Fat or fiction: the diet-heart hypothesis DuBroff, Robert; de Lorgeril, Michel 10.1136/bmjebm-2019-111180 Maternal caffeine consumption and pregnancy outcomes: a narrative review with implications for advice to mothers and mothers-to-be James, Jack E. 10.1136/bmjebm-2020-111432