Table 5.

Mean SDS height corrected for target height (TH), SDS birth weight and catch up growth (SDS weight-SDS birth) (± standard deviation) at different ages compared between neurodevelopmental outcomes at age 2.

	Abnormal ASQ
	Yes	No	Difference in mean (95% CI)	p-value
SDS height-TH (SD)
6 months (n = 376)	−1.1 (1.1)	−0.6 (1.1)	−0.5 (−0.8; 0.2)	0.002
12 months (n = 268)	−1.1 (1.1)	−0.4 (1.0)	−0.7 (−1.0; −0.3)	0.002
18 months (n = 355)	−0.9 (1.2)	−0.5 (0.9)	−0.4 (−0.9; 0.2)	0.1
SDS Birth weight	−2.7 (0.8)	−1.9 (0.8)	−0.8 (−1.0; −0.6)	<0.001
Catch-up growth SDS weight-SDS birth
6 months (n = 443)	1.3 (0.9)	1.0 (1.0)	0.3 (0.04; 0.6)	0.03
12 months (n = 355)	1.3 (0.9)	1.0 (1.1)	0.3 (0.005; 0.7)	0.047
18 months (n = 188)	1.2 (1.3)	0.9 (1.0)	0.3 (−0.2; 0.7)	0.3