Research Article
Nerve Growth Factor Levels in Term Human Infants: Relationship to Prenatal Growth and Early Postnatal Feeding
Table 1
Anthropometric variables and serum nerve growth factor levels at birth and at 4 mo in the study population.
| | AGA | SGA | LGA | | At birth | At 4 mo | Δ0–4 mo | At birth | At 4 mo | Δ0–4 mo | At birth | At 4 mo | Δ0–4 mo |
| | 22 | 22 | 22 | 42 | 42 | 42 | 22 | 22 | 22 | | Girls (, %) | 11 (50) | 11 (50) | 11 (50) | 20 (47.6) | 22 (52) | 21 (50) | 11 (50) | 11 (50) | 11 (50) | | Cesarean section (, %) | 5 (22) | — | — | 7 (16) | — | — | 9 (41) | — | — | | Gestational age (w) | 39.9 ± 0.2 | — | — | 38.8 ± 0.2 | — | — | 40.2 ± 0.3 | — | — | | Weight (kg) | 3.3 ± 0.1 | 6.8 ± 0.1 | 3.5 ± 0.2 | 2.3 ± 0.03 | 5.9 ± 0.1 | 3.6 ± 0.1 | 4.2 ± 0.1 | 7.7 ± 0.1 | 3.15 ± 0.1 | | Weight -score | −0.04 ± 0.1 | −0.2 ± 0.2 | −0.1 ± 0.2 | −2.3 ± 0.1 | −0.76 ± 0.1 | 1.7 ± 0.1 | 2.5 ± 0.1 | 1.3 ± 0.3 | −1.2 ± 0.3 | | BMI (kg/m2) | 14.2 ± 0.3 | 17.2 ± 0.3 | 2.9 ± 0.4 | 11.6 ± 0.2 | 16.3 ± 0.2 | 4.86 ± 0.3 | 15.3 ± 0.3 | 18.3 ± 0.5 | 3.0 ± 0.7 | | PI (kg/m3) | 27.6 ± 0.5 | 27.7 ± 0.9 | −0.3 ± 0.8 | 24.8 ± 0.5 | 26.5 ± 0.4 | 2.0 ± 0.9 | 28.3 ± 0.7 | 28.3 ± 1.1 | −0.03 ± 1.3 | | NGF (pg/mL) | 0.66 ± 0.3 | 0.99 ± 0.1 | 0.33 ± 0.2 | 1.41 ± 0.2 | 1.60 ± 0.2 | −0.19 ± 0.2 | 0.79 ± 0.2 | 1.24 ± 0.2 | 0.41 ± 0.2 |
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Values are mean ± SEM. BMI: body mass index; PI: ponderal index; NGF: nerve growth factor. , , and vs. AGA, , , vs. SGA, vs. at birth; vs. at birth. |
