Table 1

Description of stratified subgroups and numbers and sex of infants in each subgroup

Group		Gestation at birth		Placebo			Carnitine
Group		Gestation at birth		No	Male		No	Male
1	28 weeks–29 weeks, 6 days	14	8		16	5
2	30 weeks–31 weeks, 6 days	16	12		13	8
3	32 weeks–33 weeks, 6 days	13	7		14	8
	All groups	43	27		43	21