Table 1

Group characteristics of breast fed and formula fed infants

Breast fed (nā€Š=ā€Š15)Formula fed (nā€Š=ā€Š14)
Where appropriate, values are mean (SD).
Gestational age (weeks)29.2 (2.3)28.7 (2.0)
Birth weight (g)1231 (298)1182 (281)
Sex (male:female)8:78:6
Antenatal steroids3/152/14
Five minute Apgar<64/153/14
Period of phototherapy (hours)68.5 (62.4)72.5 (68.5)
Period of ventilation (days)15.6 (14.7)14.1 (12.5)
Period of oxygen therapy (days)43.3 (40.4)52.3 (50.9)
Period of parenteral nutrition (days)12.3 (3.1)14.4 (3.9)
Period of parenteral intralipid (days)6.2 (2.1)6.3 (2.6)
Retinopathy of prematurity4/152/14
Intraventricular haemorrhage1/152/14
Chronic lung disease2/152/14
Necrotising enterocolitis1/150/14