[Question] How do the ivermectin meta-reviews come to so different conclusions?

Ivermectin and outcomes from Covid-19 pneumonia: A systematic review and meta-analysis of randomized clinical trial studies comes to the conclusion: “Our study suggests that ivermectin may offer beneficial effects towards Covid-19 outcomes. More randomized clinical trial studies are still needed to confirm the results of our study.”

On the other hand Ivermectin for the treatment of COVID-19: A systematic review and meta-analysis of randomized controlled trials comes to the conclusion: “In comparison to SOC or placebo, IVM did not reduce all-cause mortality, length of stay or viral clearance in RCTs in COVID-19 patients with mostly mild disease. IVM did not have an effect on AEs or severe AEs. IVM is not a viable option to treat COVID-19 patients.”

What did the studies do differently to come to their conclusions? How do I go about interpreting which of them provides the better analysis?

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