Table 1.
Demographic data and perinatal variables
| VP/VLBW (n = 100) | FT (n = 106) | p value | |||||
|---|---|---|---|---|---|---|---|
| M | SD | Range | M | SD | Range | ||
| Sex (male/female) | 57/43 | – | – | 61/45 | – | – | 0.937 |
| Age (years) | 26.7 | ±0.6 | 25.7–28.3 | 26.8 | ±0.7 | 25.5–28.9 | 0.152 |
| GA (weeks) | 30.5 | ±2.1 | 25–36 | 39.7 | ±1.1 | 37–42 | <0.001 |
| BW (g) | 1328 | ±313 | 630–2070 | 3395 | ±448 | 2120–4670 | <0.001 |
| Hospitalization (days) | 72.3 | ±26.6 | 24–170 | 7.0 | ±3.0 | 2–26 | <0.001 |
| Maternal age (years) | 29.5 | ±4.7 | 16–41 | 29.4 | ±5.1 | 18–42 | 0.868 |
Statistical comparisons: sex, SES with χ2 statistics; age, GA, BW, Hospitalization, maternal age, IQ with two sample t‑tests
BW birth weight, FT full-term, GA gestational age, M Mean; maternal age, maternal age at birth, SD standard deviation, VP/VLBW very preterm and/or very low birthweight