Research Article

C-Reactive Protein Levels at the Midpregnancy Can Predict Gestational Complications

Table 2

Characteristics of the cohort according to maternal adverse outcomes.

No maternal adverse outcomes (n=191)Maternal adverse outcomes (n=189)p

Demographic and clinical characteristics

Age at enrollment, years (IQR)33 (30-36)35 (32-38)<0.001
CRP, μg/mL (IQR)2.51 (1.16-6.11)4.40 (2.03-10.1)<0.001
Ethnicity0.102
 Caucasian, n (%)167 (88.4)175 (93.1)
 Latin American, n (%)11(5.8)9 (4.8)
 African, n (%)4 (2.1)2 (1.1)
 Indian, n (%)7 (3.7)2 (1.1)
BMI§, kg/m2 (IQR)21.01 (19.79-22.95)21.48 (19.83-24.22)0.145
 Underweight, n (%)12 (9.7)10 (8.7)
 Normal weight, n (%)96 (77.4)80 (69.6)
 Overweight, n (%)12 (9.7)19 (16.5)
 Obese, n (%)4 (3.2)6 (5.2)
Weight gain at delivery, kg (IQR)13 (11-16)12 (9-15)0.179

Comorbidities

Thyroid disease, n (%)12 (6.3)16 (8.5)0.416
Hypertension, n (%)1 (0.5)7 (3.7)0.031
PCOS¥, n (%)1 (0.5)6 (3.2)0.055
Coagulation/PLTΦ diseases, n (%)2(1)6 (3.2)0.149
Autoimmune diseases, n (%)17 (8.9)18 (9.5)0.834
GDM#, n (%)18 (9.5)27 (14.3)0.153

Therapy

Thyroid hormone replacement therapy, n (%)12 (6.3)15 (7.9)0.531
Corticosteroid hormone, n (%)4 (2.1)5 (2.6)0.724
Aspirin, n (%)4 (2.1)12 (6.3)0.039

Pregnancy and delivery characteristics

Gestational hypertension, n (%)05 (2.6)0.024
Premature delivery, n (%)032 (17.4)<0.001
Cesarian delivery, n (%)0177 (93.7)<0.001
Urgent caesarian delivery, n (%)040 (21.2)<0.001
Gestational age at delivery, days (IQR)280 (273-285)273 (267-279)<0.001

Baby characteristics

Baby weight, g (IQR)3300 (3040-3595)3210 (2860-3535)0.046
Baby length, cm (IQR)49 (48-51)49 (47-50)0.015
Small for gestational age, n (%)38 (24.5)36 (20.6)0.392
Large for gestational age, n (%)7 (4.5)16 (9.1)0.097
Ponderal index (IQR)2.76 (2.55-2.97)2.75 (2.56-2.94)0.898
Macrosomy, n (%)4 (2.4)6 (3.2)0.660
Apgar score<0.001
 0, n (%)1 (0.6)
 3, n (%)1 (0.6)
 4, n (%)1 (0.6)
 5, n (%)1 (0.6)
 6, n (%)1 (0.6)
 7, n (%)2 (1.1)
 8, n (%)4 (2.2)
 9, n (%)5 (3.1)18 (10)
 10, n (%)155 (96.9)151 (83.9)
Resuscitation, n (%)06 (3.2)0.022
Fetal distress/polyhydramnios, n (%)1 (0.5)2 (1.1)0.557
Overall neonatal adverse outcomes, n (%)83 (43.5)90 (47.6)0.416

Data are expressed as median (interquartile range [IQR], number [n], or percentage [%]).
p-values were calculated according to Chi-square or Fisher exact test or Mann-Whitney test when appropriate and referred to as comparison between study groups.
Statistically significant correlations are highlighted in bold character.
CRP: C-reactive protein.
§ BMI: body mass index.
¥ PCOS: polycystic ovary syndrome.
PLT: platelets.
# GDM: gestational diabetes mellitus.