. Author manuscript; available in PMC: 2013 Feb 7.

Published in final edited form as: J Child Neurol. 2011 Sep 13;27(2):172–177. doi: 10.1177/0883073811415409

Table 2.

Developmental Test scores for the 18-22 month and 36-47 month groups

	18-22 month Preterm	18-22 month Term	36-47 month Preterm	36-47 month Term
BSID-III Cognitive	93.4 (12.1)	101.5 (8.8)
BSID-III Language	85.9 (11.5)^*	96.5 (8.4)
WIPPSI – Verbal IQ			91.3 (12.3)^*	105.7 (14.6)
WPPSI – Perform IQ			91.3 (12.2)^*	100.2 (10.6)
Weight (pounds)	24.0 (3.0)	26.1 (2.8)	31.2 (5.1)^*	35.4 (2.5)
Head Circumference cm	47.7 (2.2)	47.1 (2.5)	50.2 (1.6)	50.7 (1.7)

p<.05 for preterm less than term group

Note. BSID-III is the Bayley Scales of Infant Development, 3^rd Edition and WPPSI is Wechsler Preschool and Primary Scale of Intelligence- 3^rd Edition. Scores are means and standard deviations.