Table 1

 Characteristics of infants discharged from level III and I–II units

Level III (n = 285)Level I–II (n = 324)
Values are mean (SD).
CRIB, Clinical risk index for babies.
Birth weight (g)1324 (320)1339 (324)
Gestational age (w)30 (2.5)30 (2.1)
z score at birth−0.44 (1.4)−0.29 (1.3)
CRIB score2.3 (3.0)2.7 (3.3)
Weight gain (g/day)20 (7)20 (8)
Hospital stay (days)49 (28)51 (30)
Gestation at discharge37 (3.2)37 (2.8)
z score at discharge−1.2 (1.0)−1.2 (1.2)
Fall in z score−0.72 (0.86)−0.86 (0.85)