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Table 1 Basic patient information

From: The correlation between patent foramen ovale and brain ischemia in plateau residents

  PFO (n = 100) Control (n = 100) Test χ2 P value
Gender, n (%)    Chi-square test 0.503 0.478
Male 44 (44.0) 49 (49.0)    
Female 56 (56.0) 51 (51.0)    
Age, mean ± SD 28.25 ± 5.63 26.64 ± 6.81 Student’s t test 1.822 (t value) 0.070