Table 2. Maternal characteristics and pregnancy outcome amongst Normotensive and Hypertensive-SGA pregnancies.
| Normotensive-SGA | Hypertensive-SGA | P value | |
| N = 313 (11.4%) | N = 109 (2.9%) | P value | |
| Maternal Characteristics | |||
| Maternal age (years) | 28.4 (5.8) | 29.3 (5.8) | 0.18 |
| Ethnicity | 0.50 | ||
| White | 273 (87%) | 100 (92%) | |
| Maori or Pacific Islander* | 8 (2%) | 2 (2%) | |
| Indian | 9 (3%) | 4 (3%) | |
| Asian | 9 (3%) | 1 (1%) | |
| Other† | 14 (5%) | 2 (2%) | |
| Primigravid | 231 (74%) | 81 (74%) | 1.0 |
| Socioeconomic index | 41 (17) | 38 (16) | 0.19 |
| Smoker at 15±1 weeks | 65 (21%) | 16 (15%) | 0.20 |
| BMI category (kg/m2) | <0.0001 | ||
| <20.0 | 6 (2%) | 0 (0%) | |
| 20.0–24.9 | 179 (57%) | 40 (37%) | |
| 25.0–29.9 | 81 (26%) | 36 (33%) | |
| >30 | 47 (15%) | 33 (30%) | |
| Participant’s birthweight (grams) | 3166 (551) | 3178 (463) | 0.79 |
| N = 292 | N = 101 | ||
| Systolic BP 15±1 weeks | 107 (11) | 113 (12) | <0.0001 |
| Diastolic BP 15±1 weeks | 64 (8) | 70 (9) | <0.0001 |
| Pregnancy Outcome | |||
| Birthweight (grams) | 2686 (531) | 2506 (611) | 0.004 |
| Gestational age at delivery (weeks) | 39.3 (3.5) | 38.3 (3.3) | 0.01 |
| Customised birthweight centile | 5.0 (2.9) | 3.8 (2.8) | <0.0001 |
| Total preterm births (<37 weeks) | 27 (9%) | 27 (25%) | <0.0001 |
| Admitted to neonatal unit | 44 (14%) | 38 (35%) | <0.0001 |
| Perinatal deaths | 5 (2%) | 2 (2%) |
Results expressed as N (%), mean (SD);
*
includes 4 Maori and 6 Pacific Islanders;
†
includes 5 Australian Aborigines.