Table 2

Clinical characteristics of patients included in population dataset (n=59)

Factor Median (range) Number (%) of individuals
*Weight1.52  (0.57–4.23)
*Postnatal age (days)19 (2–76)
Gestational age (weeks)29 (25–41)
*Postconceptual age (weeks)32 (26–45)
*Creatinine concentration (μmol/l)49 (18–172)
5 min APGAR score8 (2–9)
Male38  (64)
Confirmed infection50 (85)
Cardiac defect present12 (20)
Concurrent dopamine2 (3)
Ventilation
  air23 (39)
 oxygen25 (42)
 active ventilation11 (19)
*Nutrition
 nasogastric/orogastric72 (21)
 naso/orogastric/intravenous97 (28)
 intravenous178 (51)
  • NB Data are based on each patient except * where data are summarised using all 347 concentration measurements.