Maternal demographic and haemodynamic variables and pregnancy outcomes
| Variable | White (n=59) | Black (n=61) | p Value |
|---|---|---|---|
| Age (years) | 31.3 (5.9) | 31.6 (6.1) | 0.7 |
| Height (cm) | 167.1 (7.0) | 165.1 (6.3) | 0.1 |
| Weight (kg) | 75.1 (68.8–84.2) | 82.8 (72.5–94.9) | 0.008 |
| Body surface area (m2) | 1.8 (0.1) | 1.9 (0.1) | 0.03 |
| Smoking, n (%) | – | – | |
| Spontaneous conception, n (%) | 43 (72.9) | 42 (68.9) | 0.6 |
| Parity | |||
| Nulliparous, n (%) | 44 (74.6) | 27 (44.3) | 0.001 |
| Parous—previous PE, n (%) | 10 (16.9) | 15 (24.6) | 0.3 |
| Parous—no previous PE, n (%) | 5 (8.5) | 19 (31.1) | 0.003 |
| Medical history | |||
| Chronic hypertension, n (%) | 6 (10.2) | 14 (23) | 0.08 |
| Asthma, n (%) | 2 (3.4) | 1 (1.6) | 0.6 |
| Renal—cardiac disease, n (%) | 3 (5.1) | 3 (4.9) | 1.0 |
| Gestational age at presentation (weeks) | 34.5 (7.1) | 31.2 (9.3) | 0.03 |
| Pregnancy outcome | |||
| Gestational age at delivery (weeks) | 38.1 (1.8) | 37.5 (2.8) | 0.07 |
| Birth weight (g) | 3204.6 (597.3) | 2899.9 (763.2) | 0.01 |
| Birth weight centile | 58.3 (24.6–77.1) | 32.3 (10.0–56.7) | 0.01 |
| Pre-eclampsia, n (%) | 24 (40.7) | 28 (45.9) | 0.5 |
| Early pre-eclampsia (before 34 weeks) | 1 (1.7) | 4 (6.5) | 0.2 |
| Intermediate pre-eclampsia (34–37 weeks) | 3 (5.1) | 8 (13.1) | 0.7 |
| Late pre-eclampsia (after 37 weeks) | 20 (33.9) | 16 (26.2) | 0.4 |
| Pregnancy-induced hypertension, n (%) | 29 (49.2) | 21 (34.4) | 0.1 |
| Response in 1 h, n (%) | 47 (79.7) | 47 (77) | 0.8 |
| Response at 24 h, n (%) | 49 (83.1) | 39 (63.9) | 0.02 |
| Response up to delivery, n (%) | 53 (89.8) | 43 (70.4) | 0.007 |
Comparison between women of white and black ethnicity. Data are represented as mean (SD) for normally distributed data and as median (IQR) for non-normally distributed data.