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Table 1 Demographic and clinical characteristics of the study population

From: Associations of estradiol levels and genetic polymorphisms of inflammatory genes with the risk of ischemic stroke

  Ischemic stroke patients Healthy control p value
  N = 624 N = 624  
Age (years) 65.6 ± 10.8 65.0 ± 10.5 ---
Gender
 Female 212 (34.0) 212 (34.0) ---
 Male 412 (66.0) 412 (66.0)  
Body-mass index (kg/m2) 25.0 ± 3.9 24.6 ± 3.1 0.0212
Waist-hip ratio 0.94 ± 0.08 0.87 ± 0.07 <0.0001
Cigarette smoking/alcohol consumption
 Never/Never 296 (47.6) 408 (65.8) <0.0001
 Either one 203 (32.6) 177 (28.6)  
 Ever/Ever 123 (19.8) 35 (5.7)  
Hypertension 482 (77.2) 371 (59.5) <0.0001
Diabetes mellitus 300 (48.1) 105 (16.8) <0.0001
Heart disease 163 (26.1) 109 (17.5) 0.0002
Dyslipidemia 476 (76.5) 504 (80.8) 0.0677
Family stroke history 149 (23.9) 97 (15.5) 0.0008
Estradiol levela
 Female 155 2.90 (0.97) 128 1.68 (1.36) <0.0001
 Male 358 3.18 (0.54) 255 2.97 (0.57) <0.0001
  1. Data are presented as n (%) or mean ± standard deviation
  2. aEstradiol level was shown in log transformed value