Fig. 4From: Ivermectin under scrutiny: a systematic review and meta-analysis of efficacy and possible sources of controversies in COVID-19 patientsMeta-analysis of primary outcomes in subgroups based on the quality of included RCTs. In contrast to low biased trials, studies with a high/moderate risk of bias have indicated ivermectin efficacy in the majority of cases. A Mortality, B Progression to severe disease, C Negative RT-PCRBack to article page