Table 1 Characteristics of the mothers of preterm and term newborns
Characteristics | Term (GA ≥37 weeks), n = 18 | Preterm (GA < 37 weeks), n = 27 | t | df | p value |
|---|---|---|---|---|---|
Gestational age (weeks), \( \overline{x}\pm s \) Range (weeks) | 38.7 ± 1.0 37–40 | 30.2 ± 2.5 24–36 | −15.61 | 37.04 | < 0.001 |
Birth weight (g), \( \overline{x}\pm s \) Range (g) | 3265 ± 589 1590–3960 | 1477 ± 405 845–2380 | −12.09 | 43 | < 0.001 |
Gender (male / female), n (%) | 11/7 (61.1/38.9) | 18/9 (66.7/33.3) | 0.15 | 1 | 0.703 |
Delivery mode (VD / CS), n (%) | 15/3 (83.3/16.7) | 16/11 (59.3/40.7) | 2.92 | 1 | 0.087 |
Number of deliveries, \( \overline{x}\pm s \) Range, n | 1.6 ± 0.7 1–3 | 1.7 ± 0.9 1–5 | 0.22 | 43 | 0.829 |
Maternal age (y), \( \overline{x}\pm s \) Range (y) | 30.9 ± 6.2 19–40 | 32.9 ± 4.3 24–43 | 1.28 | 43 | 0.209 |
Ethnicity (Lithuanian, othera), n (%) | 14/4 (77.8/22.2) | 23/4 (85.2/14.8) | 0.25 | 1 | 0.694 |