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