Table 4 Effect of Preeclampsia on Pregnancy Outcomes in Pregnant Women with Chronic Hypertension
Index | Non-occurrence group (n = 200) | Occurrence group (n = 300) | t/χ2/Z value | P value |
|---|---|---|---|---|
Maternal Complications | ||||
Postpartum hemorrhage (n, %) | 8(4.00) | 11(3.67) | 0.036 | 0.849 |
Placental abruption (n, %) | 5(2.50) | 13(4.33) | 1.162 | 0.281 |
HELLP syndrome (n, %) | 1(0.50) | 22(7.33) | 12.769 | < 0.001 |
Fetal Outcomes | ||||
Gestational age at delivery [weeks, M (Q1, Q3)] | 38.10 (36.11, 38.91) | 35.61 (32.42, 37.61) | -9.874 | < 0.001 |
Newborn birth weight (g, x ± s) | 3200.32 ± 956.81 | 2513.41 ± 903.82 | -7.452 | < 0.001 |
1-min newborn Apgar score (points, x ± s) | 9.41 ± 0.54 | 8.46 ± 0.33 | 9.417 | < 0.001 |
5-min newborn Apgar score (points, x ± s) | 9.67 ± 0.45 | 9.12 ± 0.24 | 8.593 | < 0.001 |
Intrauterine Conditions | ||||
Umbilical artery S/D value [M (Q1, Q3)] | 2.21 (1.91, 2.50) | 2.61 (2.22, 2.93) | -9.523 | < 0.001 |
Abnormal amniotic fluid volume (n, %) | 2(1.00) | 15(5.00) | 5.846 | 0.016 |
Fetal distress (n, %) | 4(2.00) | 42(14.00) | 20.686 | < 0.001 |
Stillbirth (n, %) | 3(1.50) | 9(3.00) | 1.153 | 0.283 |
IUGR (n, %) | 6(3.00) | 20(6.67) | 3.273 | 0.070 |