Table 1 Demographic and metabolic information for English and Italian PKU groups matched for age, gender and education, and for the whole group. Blood Phe measured in μmol/L
| Â | PKU Group | Control Group | ||
|---|---|---|---|---|
N = 56 | N = 49 | |||
Mean | SD | Mean | SD | |
Age | 26.8 | 6.4 | 26.5 | 6.3 |
Education (in years) | 14.3 | 1.9 | 14.7 | 1.8 |
Gender (M/F) | 21//35 | Â | 21//28 | Â |
 VIQ | 101.1 | 12.9 | 110.8 | 11.4 |
 PIQ | 102.7 | 15.2 | 110.1 | 11.1 |
 FIQ | 102.2 | 14.4 | 112.3 | 11.3 |
Childhood (0–10 years) | ||||
 Phe Average Median | 457 | 213 |  |  |
 Phe Fluctuation | 214 | 64 |  |  |
 Mean N obs. Per participant | 201 | 141 |  |  |
Adolescence (11–16 years) | ||||
 Phe Average Median | 714 | 294 |  |  |
 Phe Fluctuation | 162 | 56 |  |  |
 Mean N obs. Per participant | 78 | 65 |  |  |
Adulthood (17 years +) | ||||
 Phe Average Median | 859 | 307 |  |  |
 Phe Variation | 164 | 77 |  |  |
 Mean N obs. Per participant | 63 | 67 |  |  |
Lifetime | ||||
 Phe Average Median | 655 | 263 |  |  |
 Phe Fluctuation (SD) | 179 | 58 |  |  |
 Mean N obs. Per participant | 341 | 213 |  |  |
Current Phe | 833 | 403 | Â | Â |
Range | 65–2081 |  |  |  |