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 |