Test variable Status Group Control Group
  Mean SD Mean SD
Beginning of 5-year period
 WAIS Verbal IQ 90.44 22.16 100.0 10.69
 WAIS Performance IQ 81.11 20.55 99.89 17.02
 WAIS Full-Scale IQ 85.56 22.32 99.78 12.77
End of 5-year period
 WAIS Verbal IQ 85.89 23.90 103.3 19.63
 WAIS Performance IQ* 84.89 21.77 107.8 15.53
 WAIS Full-Scale IQ* 84.67 23.57 105.6 17.40

IQ = intelligence quotient; SD = standard deviation; WAIS = Wechsler Adult Intelligence Scale.
*p < .05, indicating a significant decrease in performance and full-scale IQ scores for the status group as compared to the control group.

Adapted from CB Dodrill, AJ Wilensky. Intellectual impairment as an outcome of status epilepticus. Neurology 1990;40[Suppl 2]:23-27. From Devinsky O and Tarulli A. Progressive cognitive and behavioral changes in epilepsy. In: Devinsky O and Westbrook LE, eds. Epilepsy and Developmental Disabilities. Boston: Butterworth-Heinemann; 2001;133-149. With permission from Elsevier (www.elsevier.com).

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Reviewed By: 
Steven C. Schachter MD
on: 
Saturday, May 1, 2004