Who was studied, and how
One number in the abstract
Where each one falls
Where it lands on the map
people with type 2 diabetes, in this paper
The trial randomly assignedassigned by chance
metformin treatment
non-metformin treatment
Probably lowered overall survival−16%
randomisedthe abstract, start to end
… in both overall survival (OS) ([HR] 0.84; 95% confidence interval [CI]: …
← favours treatmentfavours comparator →
could be chanceOverall survival (OS)metformin treatment vs non-metformin treatment
HR 0.840.73–0.96
MetforminAll-cause mortality
1 / 4