Table 5.

Secondary outcomes

	Standard (n=29) n (%)*	Restrictive (n=29) n (%)*	Odds ratio (95% CI)†	P Value†
Mortality	6 (21)	7 (24)	0.82 (0.24 to 2.83)	0.75
Severe ultrasound abnormality	5 (17)	5 (17)	1.00 (0.26 to 3.91)	1
Grade 3/4 IVH	5 (17)	2 (7)	3.06 (0.51 to 18.41)	0.22
PVL	2 (7)	2 (7)	1.04 (0.13 to 8.37)	0.97
Any ultrasound abnormality	16 (55)	13 (45)	1.51 (0.54 to 4.26)	0.43
NEC	1 (3)	4 (14)	0.22 (0.02 to 2.13)	0.19
SIP	3 (10)	3 (10)	1.00 (0.18 to 5.42)	1
BPD‡	17 (74)	14 (64)	1.87 (0.45 to 7.68)	0.39
Duration of inotrope (hours)	17.8 (7.5–30.6)§¶	13.7 (6.1–24.5)§**	1.46 (0.84 to 2.56)††	0.18
Any intervention	11 (38)	19 (66)	0.32 (0.11 to 0.94)	0.038

*Unless otherwise stated.

†From logistic regression analysis unless otherwise stated.

‡Of those who had survived to 36 weeks.

§Median (IQR).

¶n=21 in the standard group.

**n=22 in the restricted group.

††Ratio of geometric means as the duration variable was log-transformed.

BPD, bronchopulomary dysplasia; IVH, intraventricular haemorrhage; NEC, necrotising enetrocolitis; PVL, periventricular leucomalacia; SIP, spontaneous intestinal perforation.