Skip to main content

Table 1 Demographic characteristics of the study population (n = 200)

From: Whole-transcriptome analysis delineates the human placenta gene network and its associations with fetal growth

Variables SGAa (n = 33) AGAb (n = 112) LGAc (n = 55) p-valued
Mean (SD) Mean (SD) Mean (SD)  
Birth weight (g) 2582.3 (277.3) 3436.8 (388.9) 4276.9 (247.2) <0.01
Gestational age (weeks) 38.9 (1.2) 39.1 (0.9) 39.0 (0.8) 0.77
Maternal age (years) 31.9 (5.6) 31.1 (4.6) 30.9 (4.1) 0.59
Maternal BMI (kg/m2) 25.7 (7.0) 25.6 (5.8) 28.4 (6.9) 0.02
  N (%) N (%) N (%)  
Infant Gender     0.05
 Female 22 (66.7) 57 (50.9) 22 (40.0)  
 Male 11 (33.3) 55 (49.1) 33 (60.0)  
Maternal Ethnicity     <0.01
 Caucasian 18 (54.5) 91 (81.2) 46 (83.6)  
 African American 6 (18.2) 2 (1.8) 3 (5.5)  
 Other 7 (21.2) 19 (17.0) 5 (9.1)  
 Unknown 2 (6.0) 0 (0.0) 1 (1.8)  
Delivery Method     
 Vaginal 19 (57.6) 65 (58.0) 19 (34.5) 0.01
 C-Section 14 (42.4) 47 (42.0) 36 (65.5)  
  1. asmall for gestational age; bappropriate for gestational age; clarge for gestational age; d p-values based on chi-square test (categorical variables) or ANOVA (continuous variables)