Table 3 Demographic Data. Medians are shown with interquartile ranges in brackets

Age (months)

6.1 [4.3–11.8]

6.4 [4.3–10.8]

< 0.001

Sex

0.40

 Female

11 (24%)

44 (32%)

 Male

35 (76%)

94 (68%)

Head circumference Z-score

3.08 [2.41–4.52]

2.58 [2.12–3.16]

< 0.001

Weight Z-score

0.87 [-0.15–1.37]

0.55 [-0.34–1.45]

< 0.001

Length Z-score

0.53 [-0.53–1.21]

0.03 [-1.05–0.91]

0.08

Gestational age (weeks)

37 [36–39]

38 [37–39]

< 0.001