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

Table 1 Baseline characteristics at index pregnancy ^*

Characteristics	HTP cohort	NTP cohort	p value
Characteristics	(n=300)	(n=94)	p value
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

^*Continuous data are expressed as median (IQR), dichotomous data as number of patients (%).
HTP women with a history of term gestational hypertension or term preeclampsia.
NTP women with a history of normotensive term pregnancies.
^{‡ =} 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).

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