Table 3.

Full-scale intelligence quotient (FSIQ) on the Wechsler Preschool and Primary Scale of Intelligence-Revised (WPPSI-R) at age four years by seizure severity in 77 children at risk for perinatal hypoxic-ischemic brain injury

	Severe Seizures N = 11	Mild/Moderate Seizures N = 14	No Seizures N = 52	P*
WPPSI-R FSIQ mean (95% CI)
-Unadjusted	64.7 (52.6 – 76.9)	83.1 (72.4 – 93.9)	100.2 (94.6 – 105.8)	<0.0001
-Adjusted**	67.2 (54.6 – 79.8)	82.7 (72.7 – 92.7)	96.9 (90.7 – 103.1)	0.001

^*F test

^**Scores were adjusted for the severity of brain injury as measured by basal nuclei and watershed scores on MRI.