Table 1

Neuropsychological raw scores and centile rankings at the initial and one year assessments

Neuropsychological testsAssessment 1 (Feb 2001)Assessment 2 (Feb 2002)
%ile, centile.
The Wechsler abbreviated scale of intelligence3:
    Vocabulary (raw score)7776
    Matrix reasoning (raw score)2829
    Predicted full scale IQ134 (99%ile)135 (99%ile)
National adult reading test4:
    Number of errors54
    (Predicted IQ)(124)
Easy recognition memory test5
    Words25/25 (>50%ile)25/25 (>50%ile)
    Faces25/25 (>50%ile)25/25 (>50%ile)
Graded difficulty arithmetic test614/24 (>50%ile)14/24 (>50%ile)
Graded naming test729/30 (>99%ile)25/30 (>90%ile)
Visual object and space perception battery8
    Silhouettes21/30 (>25%ile)21/30 (>25%ile)
    Number location8/10 (>5%ile)10/10 (>50%ile)