Table 1. Demographic characterisation of the neonatal population.
Age at time of study | ||||
Preterm | Term | |||
<37 weeks GA | ≥37 weeks | |||
Mean (SD) | Median; range | Mean (SD) | Median; range | |
Total number in cohort | 24 | 25 | ||
Mean GA at birth, weeks | 33.1 (2.2) | 33.2; range,28.4–36.0 | 39.2 (1.7) | 38.6; range, 35.9–41.6 |
Mean GA at time of study, weeks | 34.1 (2.0) | 34.3; range,30.1–36.4 | 39.8 (1.7) | 39.0; range, 37.0–42.3 |
Mean postnatal age, days | 6.7 (3.7) | 6; range, 1–14 | 3.8 (2.8) | 3; range, 0–10 |
Mean weight at birth, g | 1911 (496) | 1838; range, 872–2758 | 3218 (682) | 3295; range, 2014–4900 |
Mean weight at time of study, g | 1855 (483) | 1825; range, 930–2780 | 3128 (688) | 3285; range, 1969–4900 |
Number of males | 17 | 12 | ||
Number of multiple gestation births | 15 | 1 | ||
No. caesarean deliveries | 22 | 11 | ||
No. spontaneous vaginal deliveries | 2 | 14 | ||
Condition at birth | ||||
Mean Apgar score @1 min | 7.1 (2.2)* | 8; range, 5–10* | 8.4 (1.6)+ | 9; range, 3–10+ |
Mean Apgar score @5 min | 9.2 (0.9)* | 9; range, 6–10* | 9.4 (1.0) | 10; range, 6–10+ |
Mean no. days on mechanical ventilator | 1.0 (n = 2) | 1; range,1 |
SDs are in parentheses. GA, Gestational Age.
Information unavailable for 2 infants. +Information unavailable for 4 infants.