| 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†|