Table 1

Clinical and PET data for non-RDS infants

No	Birthweight diagnosis	Weight (g)	Age (weeks)	Age at the time of PET scan (h)	PTCER 10⁻⁴/min
1	Preterm	1015	28	40	84
2	Preterm	1240	30	90	81
3	Preterm	1650	32	24	38
4	Preterm	1700	33	22	142
5	Preterm	2150	33	24	87
6	Preterm	2300	33	25	97
7	Preterm	1460	34	72	64
8	Preterm	2165	35	14	37
9	Smal VSD	3090	36	24	55
10	Intrauterine growth retardation	2185	38	35	69
11	HLHS	3435	38	78	70
12	Subdural haematoma and seizure	2710	40	18	102
13	TOGV	3660	40	54	47
14	TTN	5585	40	12	76
Mean (SD)		2.45 (1.2) kg	35 (4)	38 (25)	75 (27)

VSD = ventricular septal defect; HLHS = hypoplastic left heart syndrome; TOGV = transposition of the great vessels; TTN = transient tachypnoea of the newborn.