Table 2.
Descriptive data of 93 pregnancies according to the occurrence of preeclampsia
| Preeclampsia |
Pa value | ||
|---|---|---|---|
| Yes (n = 13) | No (n = 80) | ||
| Baseline variables | |||
| Maternal age (yr) | 29 ± 5 | 30 ± 6 | 0.73 |
| Race (black) | 2 (15.4) | 27 (33.8) | 0.33 |
| Primigravida (yes) | 3 (23.1) | 21 (26.3) | 1.00 |
| Dialysis before gestation (yes) | 5 (38.5) | 42 (52.5) | 0.39 |
| Diuresis (ml) | 400 (0−2500) | 1000 (0−4000) | 0.22 |
| Hypertension at baseline (yes) | 12 (92.3) | 61 (76.3) | 0.28 |
| Initial hematocrit (%) | 28 ± 5 | 29 ± 5 | 0.85 |
| Lupus nephritis vs. all other etiologies | 2 (15.4) | 7 (8.8) | 0.61 |
| Dialysis parameters | |||
| Hours/week | 14.8 ± 4.0 | 15.5 ± 4.0 | 0.55 |
| Average BUN (mg/dl) | 41.9 ± 9.7 | 36.1 ± 9.2 | 0.07 |
| Peripartum creatinine (mg/dl) | 5.1 ± 1.5 | 5.2 ± 1.6 | 0.93 |
| Residual creatinine clearanceb | 3.4 (4.9) | 7.4 (5.8) | 0.04 |
| Renal stdKt/Vb | 0 (0−1.5) | 0.8 (0−3.4) | 0.04 |
| HD stdKt/V | 3.3 ± 0.8 | 3.3 ± 0.6 | 0.96 |
| Total stdKt/Vb | 3.9 ± 0.7 | 4.3 ± 0.8 | 0.05 |
| Pregnancy outcome | |||
| Death or premature birth ≤30 wks (yes) | 9 (69.2) | 8 (10) | <0.0001 |
| Polyhydramnios (yes) | 3 (23.1) | 46 (57.5) | 0.03 |
| Fetal weight (kg) | 850 ± 324 | 1836 ± 670 | <0.001 |
| Gestational age at delivery (wks)c | 28.9 ± 2.7 | 34.0 ± 3.8 | <0.001 |
BUN, blood urea nitrogen; HD, hemodialysis; std, standard; total stdKt/V, renal stdKt/V + HD stdKt/V.
Data are presented as no. (%), mean ± SD, or median (range).
a
P = χ2 or Fisher exact test for categorical variables and the Mann-Whitney test for continuous variables.
b
Variables for 73 of the 93 patients (78.5%).
c
Excluding 5 stillbirths.