Patent foramen ovale closure reduces recurrent stroke risk in cryptogenic stroke: A systematic review and meta-analysis of randomized controlled trials

Figure 1 Forest plot and pooled analysis for recurrent ischemic stroke (n = 3440) in cryptogenic stroke patients (patent foramen ovale closure vs medical therapy alone). RR: Relative risk.

Figure 2 Forest plot and pooled analysis for atrial fibrillation (n = 3391) in cryptogenic stroke patients (patent foramen ovale closure vs medical therapy alone). RR: Relative risk.