Fig. 3From: Sodium-glucose cotransporter 2 inhibitor may not prevent atrial fibrillation in patients with heart failure: a systematic reviewFunnel plot. (a) Funnel plot for assessing risk of bias appeared to be asymmetrical; (b) Funnel plot of subgroup analysis by drug use; (c) Funnel plot of subgroup analysis by follow-up time; (d) Funnel plot of subgroup analysis by type of HF. HF = heart failure; AF = atrial fibrillation; RCT = randomized controlled trial; RR = risk ratio; SGLT2i = sodium-glucose cotransporter 2 inhibitorBack to article page