Table 2 Correlation between PFO and ischemia lesion positivity
From: The correlation between patent foramen ovale and brain ischemia in plateau residents
Ischemia lesions | PFO, n (%) | Control, n (%) | Test | χ2 | P value |
|---|---|---|---|---|---|
Yes | 71 (7.0) | 19 (19.0) | Chi-square test | 54.63 |  < 0.001 |
No | 29 (29.0) | 81 (81.0) | Â | Â | Â |