BioMed Research International / 2014 / Article / Tab 1

Research Article

Body Pigmentation as a Risk Factor for the Formation of Intracranial Aneurysms

Table 1

Summary of sample characteristics.

PatientsControls
(%) (%)

Sample I53136

Sex
 Males16 (30.2)68 (50.0)
 Females37 (69.8)68 (50.0)
Smoking status
 Smokers34 (64.2)80 (58.8)
 Nonsmokers19 (35.8)56 (41.2)
Age (mean/SD)

Sample II5838

Sex
 Males17 (29.3)25 (65.8)
 Females41 (70.7)13 (34.2)
Smoking status
 Smokers41 (70.7)22 (57.9)
 Nonsmokers17 (29.3)16 (42.1)
Age (mean/SD)