Fig. 2
From: Selenium supplementation in patients with peripartum cardiomyopathy: a proof-of-concept trial
Composite outcome events. Composite outcome: the primary outcome was a composite of persistence of HF symptoms, unrecovered LVEF or death from any cause. The cumulative incidence of the primary outcome was estimated with the use of the Kaplan–Meier method; hazard ratios and 95% confidence interval was estimated with the use of Cox regression models, stratified according to selenium supplementation