SynthesisDiabetes research and clinical practice2021

The effect of metformin on mortality and severity in COVID-19 patients with diabetes mellitus.

What moved togetherboth groups pooled, not the treatment’s effect

Correlation, not cause

−36%−49% to −21%

Bigger than 8 in 10 for all-cause mortality

As reported

OR 0.64, 95% CI 0.51–0.79 · the paper's word: All-cause mortality

Correlation, not cause

−19%−34% to −1%

Bigger than 6 in 10 for all-cause mortality

As reported

OR 0.81, 95% CI 0.66–0.99 · the paper's word: All-cause mortality

the abstract, start to end

… in COVID-19 patients with diabetes (OR = 0.64, 95% CI = 0.51-0.79 for mortality, and OR = 0.81, 95% CI = 0.66-0.99 for …

← favours treatmentfavours comparator →

could be chance

All-cause mortality

OR 0.640.51–0.79

All-cause mortality

OR 0.810.66–0.99

MetforminAll-cause mortality

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