Table 1. Clinical characteristics in normal and prehypertensive (preHTN) groups.
| Normal (n = 1,816) |
preHTN (n = 223) |
p-Value | OR (95% CI) | |
|---|---|---|---|---|
| Maternal age (years) | 31.6 ± 2.9 | 32.1 ± 3.8 | 0.156 | |
| BMI (kg/m2) | 21.16±2.5 | 22.58±3.1 | 0.092 | |
| Nulliparity (n) | 880 (48.5) | 148 (66.4) | 0.031† | |
| Delivery weeks (weeks) | 38.1 ± 2.2 | 36.4 ± 2.1 | < 0.001* | |
| Preeclampsia | 35.2± 3.4 | |||
| Gestational hypertension | 37.8± 2.3 | |||
| Systolic blood pressure at delivery (mmHg) | 112 ± 7 | 143 ± 5 | < 0.001* | |
| Diastolic blood pressure at delivery (mmHg) | 66 ± 5 | 94 ± 6 | < 0.001* | |
| Sex of newborn (n of male/female) | 964/852 | 108/115 | 0.025† | |
| Birth weight (g) | 3096 ± 549 | 2791 ± 462 | < 0.001* | |
| Preeclampsia (percentile) | 2511± 382 (40) | |||
| Gestational hypertension (percentile) | 2957± 413 (50) | |||
| Hypertensive disorder in pregnancy | 112 (6.2) | 37 (16.6) | < 0.001† | 3.0 (2.0–4.5) |
| Preeclampsia | 48 (2.6) | 13 (5.8) | < 0.001† | 2.3 (1.2–4.3) |
| Gestational hypertension | 64 (3.5) | 24 (10.8) | < 0.001† | 3.3 (2.0–5.4) |
| Aspirin treatment | None | None | ||
| Smoking | None | None |
* Data: mean ± SD, p-Value: <0.05 via Student’s t-test
† Data: n (percent), p-Value: <0.05 via χ2 test