BW XIQ The adjusted differences between those in the BLO 2.5kg birth weight group and those in the 3.5 to 4.00kg group were >5 IQ points at all 3 follow-up assessments, corresponding to one-third of a SD.

The adjusted differences between those in the <2 .5kg="" 3.5="" 4.00kg="" and="" birth="" group="" in="" the="" those="" to="" weight="" were="">5 IQ points at all 3 follow-up assessments, corresponding to one-third of a SD.