Table 1.
Basic infants’ and mothers’ characteristics.
| Infants’ and mothers’ characteristics | |
|---|---|
| Infants, n = 175 | Mean (SD) |
| Gestational age (weeks) | 35.2 ± 0.7 |
| Birth weight (g) | 1772 (119) |
| Birth length (cm) | 43.1 (2.1) |
| Birth head circumference (cm) | 30.8 (1.1) |
| Apgar score 1’ | 8 (1.0) |
| Apgar score 5’ | 9 (0.7) |
| N (%) | |
| Birth weight ≤10 and ≥3 pct | 100 (57) |
| Birth weight <3 pct | 75 (43) |
| Birth length ≤10 and ≥3 pct | 17 (16) |
| Birth length <3 pct | 41 (38) |
| Birth head circumference ≤10 and ≥3 pct | 19 (18) |
| Birth head circumference <3 pct | 23 (22) |
| Males | 81(46) |
| Twins | 97 (55) |
| Intrauterine growth retardation | 91 (52) |
| Ethnicity | |
| Caucasian | 154 (88) |
| Black | 6 (3) |
| Asian | 6 (3) |
| Hispanic | 9 (6) |
| Mode of delivery | |
| Caesarean section | 154 (88) |
| Vaginal delivery | 21 (12) |
| Mothers, n = 167 | |
| Age (years) | |
| <30 | 19 (11) |
| 30–45 | 140 (84) |
| >45 | 8 (5) |
| Education (years) | |
| ≤13 | 74 (44) |
| >13 | 93 (56) |
| Assisted conception | 59 (35) |
| Preeclampsia | 59 (35) |
| Multiple pregnancy | 90 (54) |
Pct percentile.