SynthesisCanadian respiratory journal2020

Association of Metformin Use with Asthma Exacerbation in Patients with Concurrent Asthma and Diabetes: A Systematic Review and Meta-Analysis of Observational Studies.

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

Correlation · may be no link

−35%−72% to +48%

Bigger than 7 in 10 on the map

As reported

OR 0.65, 95% CI 0.28–1.48

the abstract, start to end

… with a risk of asthma exacerbation (OR = 0.65, 95% CI 0.28-1.48; Conclusion: …

← favours treatmentfavours comparator →

could be chance

Costs & health-care use

OR 0.650.28–1.48

MetforminCosts & health-care use

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this paperpooled itcites it