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Table 2 Wechsler scale (WISC-III) subtest results of 23 patients.

From: Impairment of intellectual functions after surgery and posterior fossa irradiation in children with ependymoma is related to age and neurologic complications

  Number of patients with scores below minus 2 SD mean
Full scale IQ 2/23 89.1
Verbal IQ 0/23 94.0
Performance IQ 6/23 86.2
Verbal comprehension 2/22 94.5
Perceptive organization 1/22 92.1
Speed 4/22 86.6
Verbal subtests   
Information 2/23 8.4
Similarities 0/23 9.3
Arithmetics 0/23 9.8
Vocabulary 0/23 9.1
Comprehension 1/23 9.4
Memory 4/22 8.0
Performance subtests   
Picture completion 3/23 9.4
Codes 6/22 5.9
Picture arrangement 2/22 8.2
Block design 2/22 8.5
Object assembly 5/21 7.9
Mazes 1/22 9.6
Symbols 3/22 7.9
  1. SD = standard deviation.
  2. IQ = Intellectual Quotient