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Table 3 Questionnaire data for patients and controls

From: Migraine aura or transient ischemic attacks? A five-year follow-up case-control study of women with transient central nervous system disorders in pregnancy

  Patient group (n = 41) Control group (n = 41) P-value
Age (years) 28.3 28.9 0.1*
Number of previous births 1.1 0.8 0.02*
Number of previous miscarriages 0.7 0.4 0.1*
Smoking in pregnancy 10 6 0.11
Smoking before pregnancy 18 15 0.16
Headache in pregnancy 38 30 0.04
Headache before pregnancy 36 33 0.5
Oral contraceptives last year before pregnancy 7 7 1.0
Hypertension before pregnancy 0 0 1.0
Hypertension in pregnancy 7 4 0.5
Previous thromboembolic disorder 0 0 1.0
Familial hypertension 18 19 0.9
   Angina pectoris 7 7 0.8
   Myocardial infarction 14 10 0.4
   Stroke 10 7 0.5
   Diabetes mellitus 11 13 0.9
  1. *Wilcoxon matched pairs signed rank test; Chi-square test.