Table 4

Mean (SD) standard deviation scores (SDS) for children of 25 weeks gestational age or less categorised by the number of hospital re-admissions and by the need for respiratory medication over the preceding 18 months at follow up at 30 months of age corrected for prematurity

	Weight			Head circumference			Height			MUAC
	n	SDS	p	n	SDS	p	n	SDS	p	n	SDS	p
*One way analysis of variance.
†Independent t test.
Hospital admissions for respiratory illness*
None	267	−1.18 (1.36)	0.67	274	−1.50 (1.47)	0.33	254	−0.61 (1.16)	0.33	274	−0.78 (0.92)	0.17
1–2		−1.28 (1.22)			−1.60 (1.37)			−0.86 (1.24)			−0.84 (0.82)
3+		−1.05 (1.43)			−1.64 (1.87)			−0.74 (1.27)			−0.51 (1.22)
Inhaled medication in past 18 months†
None	271	−1.10	0.15	278	−1.47	0.19	258	−0.65	0.40	278	−0.68	0.11
Prescribed	271	−1.34	0.15	278	−1.71	0.19	258	−0.78	0.40	278	−0.86	0.11