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Table 1 Baseline characteristics at index pregnancy *

From: Cardiovascular risk estimation in women with a history of hypertensive pregnancy disorders at term: a longitudinal follow-up study

Characteristics HTP cohort NTP cohort p value
(n=300) (n=94)
Maternal age at delivery (years) 31 (28–35) 31 (28–34) .82
Ethnic origin: Caucasian 273 (89%) 94 (95%) .14
  Other 30 (10%) 5 (5%)  
  Unknown 3 (1%) 0 (0%)  
Nulliparous 211 (69%) 30 (30%) < .001
Systolic blood pressure at first antenatal visit (mmHg) 120 (110–130) 110 (109–120) <.001
Diastolic blood pressure at first antenatal visit (mmHg) 75 (68–80) 65 (60–70) <.001
BMI at first antenatal visit (kg/m2) 25.2 (22.5-29.1) 22.7 (21.2-24.3) <.001
Gestational age at delivery (weeks) 39.5 (38.4-40.2) 39.9 (39.3-40.7) .001
Birth weight (gram) 3398 (3030–3710) 3693 (3216–3942) <.001
  1. *Continuous data are expressed as median (IQR), dichotomous data as number of patients (%).
  2. HTP women with a history of term gestational hypertension or term preeclampsia.
  3. NTP women with a history of normotensive term pregnancies.
  4. ‡ = 38 HTP women (12%) had a systolic blood pressure of ≥ 140 mmHg or a diastolic blood pressure of ≥ 90 mmHg at the first antenatal visit (without use of antihypertensive medication).