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Appendix B
The content in this publication was current at the time it was published, but it is not being updated. The publication is provided for historical purposes only.
Table 6. Relationship of Phenylalanine Hydroxylase Mutation to their Adult WAIS-R Intelligence Quotient Regardless of Parental IQ, Age of Diagnosis, and Treatment History
Mutation Severity
IQ |
Number |
Median WAIS-R |
| Severe/Severe |
31 |
95 (n=30) |
| Severe/Moderate |
15 |
100 |
| Severe/Mild |
4 |
101 |
| Severe/Unclassified |
4 |
100 |
| Moderate/Unclassified |
1 |
80 |
| In Process |
11 |
89 (n=9) |
| Both Mutations Unclassified |
1 |
116 |
Back to Appendix B Figures and Tables
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