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Table 1 Demographics of patients

From: Identification of the soluble form of tyrosine kinase receptor Axl as a potential biomarker for intracranial aneurysm rupture

Discovery cohort
Group N Gender (M:F) p value Age (mean ± SD) p value
RIA 10 8:2   52.4 ± 9.0  
UIA 10 8:2   55.2 ± 3.9  
HC 10 8:2   52.8 ± 6.9  
DC 10 8:2 1a 54.6 ± 4.2 0.50b
Validation cohort
Group N M:F p value Age p value
RIA 20 7:13   51.7 ± 8.4  
UIA 20 7:13   51.2 ± 10.2  
HC 20 7:13   50.8 ± 7.6  
DC 20 7:13 1 a 49.5 ± 7.7 0.85C
  1. aGender difference between d groups analyzed by the χ2 test. bAge difference between groups in the discovery cohort analyzed by the nonparametric Kruskal-Wallis test (the variances were unequal by Bartlett’s test, p <0.05). cAge difference between groups in the validation cohort analyzed by the Newman-Keuls multiple comparison test (the variances were equal by Bartlett’s test, p >0.05).