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. Author manuscript; available in PMC: 2016 May 1.
Published in final edited form as: Neurol Clin. 2015 Feb 28;33(2):491–500. doi: 10.1016/j.ncl.2015.01.002

Fig. 1.

Fig. 1

Proportion of patients with CS without PFO with incidental PFO and with pathogenic PFO. This figure shows how the proportion of incidental versus pathogenic PFO in patients with CS can be calculated based on the prevalence of PFO in patients with CS and in control. (Adapted from Alsheikh-Ali AA, Thaler DE, Kent DM. Patent foramen ovale in cryptogenic stroke: incidental or pathogenic? Stroke 2009;40(7):2350; with permission.)