Table 3.
Fetal findings of study groups
| Fetal findings | Severe Preeclampsia (n=903) | Eclampsia (n=123) | HELLP syndrome (n=196) | P |
|---|---|---|---|---|
| Gestational age at delivery (wk, median, Q1–Q3) | 34.4 (31.7–36.7) | 34 (30.7–36.9) | 34 (31.05–35.9) | 0.009a P1b 0.574 P2b 0.001 P3b 0.165 |
| Birth weight, (g, median, Q1–Q3) | 975 (835–1315) | 1145 (760–1320) | 940 (700–1200) | 0.005a P1b 0.308 P2b 0.003 P3b 0.006 |
| Fetal growth restriction, % | 53.4 | 39.2 | 50.8 | 0.013t |
| Oligohydramnios, % | 23.9 | 21.7 | 25.4 | 0.755t |
| Absent or reverse end diastolic flow, % | 11.3 | 8.3 | 12.4 | 0.521t |
| 5-min Apgar score <7, % | 6.1 | 11.9 | 4.8 | 0.048t |
| Female infant, % | 52.9 | 50.0 | 52 | 0.829t |
| Placental weight (g, median, Q1–Q3) | 230 (150–310) | 265 (195–320) | 180 (140–250) | 0.591 |
| Fetal mortality (IUFD), % | 10.5 | 5.1 | 11.6 | 0.153t |
| ≤32 weeks, % | 29.4 | 7.7 | 29.6 | 0.016t |
| >32 weeks, % | 3.8 | 3.8 | 3.4 | 0.979t |
IUFD: Intrauterine fetal death
a
According to the Kruskal–Wallis test (triple comparison) P<0.05
b
Mann–Whitney U test P1=Severe Preeclampsia versus Eclampsia, P2=Severe preeclampsia versus HELLP Syndrome, P3=Eclampsia versus HELLP Syndrome. Significant p value after Bonferroni correction <0.017
t
According to the χ2 test for trend