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Meta‐regression and sensitivity analyses for the efficacy and safety of medications in patients with severe COVID‐19 infection. (A) All‐cause mortality. (B) The ratio of treatment‐emergent adverse events. CD, crossover design; COVID‐19, coronavirus disease 2019; DS, duration of study; IS, industry sponsorship; MS, multicenter study; RRB, risk of reported bias; SS, sample size
