Table 2:

Differences in each neuropsychological test score between the 2 tests (the second test score–the first test score) in controls and patientsa

TestControls9 (n = 40)All Patients (n = 100)SubgroupP Value
A) Improved Cognition (n = 10)B) Unchanged Cognition (n = 80)C) Impaired Cognition (n = 10)Controls vs All PatientsControls vs AControls vs BControls vs C
WAIS-R verbal IQ3.4 ± 4.54.0 ± 6.211.4 ± 4.64.3 ± 5.1−5.1 ± 4.0.2377<.00010.1117<.0001
WAIS-R performance IQ4.9 ± 5.04.7 ± 7.011.9 ± 4.35.2 ± 5.7−6.7 ± 5.1.5791.00010.3582<.0001
WMS4.7 ± 6.13.7 ± 7.211.9 ± 4.84.3 ± 5.1−9.4 ± 7.7.4560.00020.2678<.0001
Rey copy0.4 ± 1.10.8 ± 1.84.1 ± 1.40.7 ± 1.2−1.9 ± 1.7.0599<.00010.0845<.0001
Rey recall2.9 ± 3.52.6 ± 4.37.5 ± 3.32.7 ± 3.6−3.6 ± 2.8.9796.00070.7578<.0001
  • Note:—WMS indicates Wechsler Memory Scale.

  • a Values are expressed as means.