Research Article

Are There Differences in the Anthropometric, Hemodynamic, Hematologic, and Biochemical Profiles between Late- and Early-Onset Preeclampsia?

Table 1

Comparisons of the values of variables from normotensive pregnant women and pregnant women with late-onset preeclampsia (LOPE) and early-onset preeclampsia (EOPE) at the third trimester of pregnancy.

VariablesNormotensiveLOPEEOPE

Maternal age (y)25.0 ± 10.5 (28)26.0 ± 14.0 (23)27.0 ± 10.0 (13)
Weight gain (kg)§10.0 ± 3.0 (26)a20.0 ± 7.0 (9)a,b14.0 ± 5.0 (5)b
BMI (pregestational) (kg/m2)§24.2 ± 5.3 (27)25.16 ± 10.3 (10)23.3 ± 5.5 (7)
BMI (kg/m2)§29.2 ± 5.1 (27)a32.0 ± 8.4 (13)a29.7 ± 6.2 (6)
Gestational age (w)§40.0 ± 1.0 (29)a,b38.0 ± 2.0 (20)b,c31.5 ± 4.0 (13)a,c
Birth weight (kg)§3.5 ± 0.5 (28)a,b2.9 ± 0.6 (22)b,c1.8 ± 0.9 (11)a,c
Growth centile (%)
 <100% (0)4.3% (1)23.1% (3)
 10–5021.0% (6)39.1% (9)38.5% (5)
 50–9065.5% (19)39.1% (9)7.7% (1)
 >9010.3% (3)4.3% (1)15.4% (2)
 Unknown3.4% (1)13.0% (3)15.4% (2)
Placenta weight (g)§590.0 ± 80.0 (28)a512.5 ± 160.0 (22)b337.5 ± 200.0 (12)a,b
SBP (mmHg)§120.0 ± 10.0 (28)a,b150.0 ± 30.0 (23)a150.0 ± 20.0 (13)b
DBP (mmHg)§70.0 ± 10.0 (28)a,b100 ± 20.0 (23)a100.0 ± 10.0 (13)b
RBC (106 cells/mm3)4.15 ± 0.57 (29)a4.08 ± 0.44 (22)3.78 ± 0.68 (13)a
Ht (%)34.6 ± 3.8 (29)34.7 ± 5.6 (22)33.2 ± 3.8 (13)
Hb (g/dL)12.0 ± 1.5 (29)11.8 ± 1.8 (22)11.3 ± 1.3 (13)
MCV (fL)§85.3 ± 6.4 (29)82.9 ± 8.9 (21)87.3 ± 6.1 (13)
MCH (pg)§29.5 ± 2.7 (29)27.9 ± 3.7 (21)29.8 ± 2.7 (13)
MCHC (g/dL)§34.1 ± 1.6 (29)33.8 ± 1.5 (21)33.9 ± 2.3 (13)
RDW (%)§13.3 ± 1.3 (29)14.0 ± 1.9 (21)13.0 ± 1.3 (13)
Rtc index (%)§1.1 ± 1.4 (27)a1.4 ± 1.1 (21)1.7 ± 1.6 (11)a
Plt (103 cells/mm3)§229.0 ± 7.0 (29)a213.5 ± 102 (22)b141.0 ± 52.0 (13)a,b
MPV (fL)§11.0 ± 2.0 (29)10.2 ± 2.4 (21)10.0 ± 2.3 (13)
t-C (mg/dL)§219.2 ± 65.0 (27)198.0 ± 59.0 (19)227.0 ± 61.9 (12)
HDL-C (mg/dL)§59.8 ± 28 (27)59.9 ± 13.3 (21)60.3 ± 20.5 (12)
VLDL-C (mg/dL)§40.0 ± 16.0 (28)40.5 ± 19.8 (16)47.0 ± 31.2 (11)
LDL-C (mg/dL)§131.5 ± 63.3 (28)106.0 ± 54.0 (17)113.5 ± 66.3 (11)
TGC (mg/dL)§203.0 ± 111.0 (28)210.0 ± 128.0 (17)238.0 ± 121.8 (12)
Proteinuria (0+)100.0% (29)a,b31.3% (5)a0% (0)b
Proteinuria (1+)0% (0)18.8% (3)22.2% (2)
Proteinuria (2+)0% (0)37.5% (6)44.4% (4)
Proteinuria (3+)0% (0)12.5% (2)11.1% (1)
Proteinuria (4+)0% (0)0% (0)22.2% (2)
Proteinuria (unknown)0% (0)30.4% (7)30.7% (4)
ALT (U/L)§14.9 ± 2.9 (29)a,b17.0 ± 11.0 (23)a27.0 ± 27.7 (13)b
AST (U/L)§9.0 ± 3.2 (28)a,b12.0 ± 7.0 (23)a22.0 ± 45.8 (13)b
LDH (U/L)§193.0 ± 39.0 (27)a,b236.0 ± 49.0 (23)a,c292.0 ± 274.0 (13)b,c
HSA (g/dL)§3.5 ± 0.4 (25)a3.3 ± 0.6 (15)b3.0 ± 0.6 (11)a,b
Urea (mg/dL)14.6 ± 3.6 (29)a,b21.0 ± 10.9 (23)a,c35.0 ± 19.0 (13)b,c
Cn (mg/dL)§0.58 ± 0.21 (29)a0.70 ± 0.2 (23)0.78 ± 0.29 (12)a
Uric acid (mg/dL)§4.3 ± 1.0 (29)a,b5.4 ± 1.4 (23)a,c7.6 ± 1.4 (13)b,c
i-B (mg/dL)§0.205 ± 0.13 (26)0.17 ± 0.23 (16)0.220 ± 0.480 (11)
t-B (mg/dL)§0.425 ± 0.19 (26)0.28 ± 0.17 (20)0.340 ± 0.490 (13)
Na (mEq/L)§138.0 ± 2.5 (24)a140.0 ± 4.0 (17)c136.0 ± 5.0 (13)a,c
K (mEq/L)§4.05 ± 0.42 (25)a4.0 ± 0.5 (17)4.56 ± 0.47 (13)a
Fe (mg/dL)78.0 ± 46.0 (27)a84.9 ± 46.1 (20)b106.5 ± 89.3 (12)a,b
Ferritin (ng/mL)§26.5 ± 14.64 (25)a31.5 ± 32.5 (17)b156.2 ± 244.7 (12)a,b
RI§0.78 ± 0.04 (26)a,b0.73 ± 0.09 (17)a0.63 ± 0.08 (10)b
PI§1.96 ± 0.44 (26)a,b1.62 ± 0.46 (17)a1.14 ± 0.87 (10)b
PSV (cm/seg)§31.4 ± 7.4 (27)30.6 ± 9.8 (17)30.0 ± 15.0 (10)
P2 (cm/seg)§17.9 ± 10.7 (27)a22.3 ± 4.1 (17)25.3 ± 14.2 (10)a
PR§0.58 ± 0.13 (27)a,b0.71 ± 0.27 (17)a0.85 ± 0.19 (10)b
Vmean (cm/seg)12.5 ± 4.9 (26)13.3 ± 4.8 (15)16.2 ± 7.1 (7)
EDV (cm/seg)§7.1 ± 3.7 (27)8.2 ± 3.2 (17)10.8 ± 5.4 (9)
Amin (∆OD)§1.060 ± 0.148 (26)1.032 ± 0.237 (22)0.099 ± 0.074 (11)
Amax (∆OD)§0.019 ± 0.021 (26)0.019 ± 0.032 (22)0.009 ± 0.009 (11)
H0 (g/dL NaCl)0.480 ± 0.031 (26)d0.472 ± 0.048 (22)0.458 ± 0.028 (11)d
H50 (g/dL NaCl)§0.447 ± 0.036 (26)a0.437 ± 0.037 (22)d0.417 ± 0.028 (11)a,d
H100 (g/dL NaCl)§0.423 ± 0.030 (26)a0.402 ± 0.034 (22)d0.388 ± 0.013 (11)a,d
1/H50 (g/dL NaCl)−1§2.236 ± 0.177 (26)a2.283 ± 0.201 (22)d2.400 ± 0.161 (11)a,d
H50 (g/dL NaCl)§0.447 ± 0.036 (26)a0.437 ± 0.037 (22)d0.417 ± 0.028 (11)a,d
dX (g/dL NaCl)§0.017 ± 0.027 (26)0.015 ± 0.007 (22)0.016 ± 0.010 (11)
dX/H50§0.038 ± 0.208 (26)0.035 ± 0.018 (22)0.038 ± 0.022 (11)
dX/Amin§0.016 ± 0.007 (26)0.014 ± 0.011 (22)0.018 ± 0.011 (11)

The values are presented as frequency, §median ± IQR (N), or †mean ± SD (N). a,b,c,dStatistically significant and borderline differences , respectively, when present as pairs of common letters. Comparisons were done by chi-square test for categorical data, Kruskal–Wallis with Dunn–Bonferroni post hoc test for §nonnormally distributed data, or ANOVA with Bonferroni post hoc test for †normally distributed data. SBP, systolic blood pressure; DBP, diastolic blood pressure; Ht, hematocrit; Hb, hemoglobin; RBC, erythrocytes; MCV, mean corpuscular volume; MCH, mean corpuscular hemoglobin; MCHC, mean corpuscular hemoglobin concentration; RDW, red-cell distribution width; Rtc index, reticulocyte index; Plt, platelets; MPV, mean platelet volume; t-C, total cholesterol; HDL-C, high-density lipoprotein cholesterol; VLDL-C, very-low-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; TGC, triglycerides; AST, aspartate aminotransferase; ALT, alanine aminotransferase; LDH, lactate dehydrogenase; HSA, human serum albumin; Cn, creatinine; i-B, indirect bilirubin; t-B, total bilirubin; Na+, sodium; K+, potassium; Fe, serum iron; RI, resistance index; PI, pulsatility index; PSV, peak systolic velocity; P2, second peak of systolic velocity; PR, peak ratio; Vmean, mean velocity; EDV, end-diastolic velocity; Amin, absorbance at 540 nm associated with residual lysis of the erythrocytes population; Amax, absorbance at 540 nm associated with lysis of the whole population of erythrocytes; H0, saline concentration where in vitro hemolysis begins; H50, saline concentration capable of promoting 50% hemolysis, H100, saline concentration where in vitro lysis ends; 1/H50, inverse NaCl concentration capable of promoting 50% hemolysis; dX, variation in the concentration of NaCl responsible for total hemolysis.