Table 9. On-Diet vs Off-Diet Comparison on Various Outcomes
| Outcome | N | M d | 95% Confidence Interval |
|---|---|---|---|
| IQ |
34 |
0.3045 |
0.1466 to 0.4624 |
| FSIQ |
26 |
0.2737 |
0.0735 to 0.4739 |
| Attention |
8 |
0.5202 |
-0.2441 to 1.2845 |
| Sustained and selective |
7 |
0.7717 |
0.2649 to 1.2786 |
| Behavior |
5 |
0.2412 |
-0.1590 to 0.6413 |
| Other cognitive and motor skills |
33 |
0.2123 |
0.0065 to 0.4181 |
| Speed of processing |
25 |
0.3673 |
0.1949 to 0.5397 |
Note. N=number of effect sizes. A positive effect size reflects poorer cognitive and behavioral outcomes for those PKU individuals who terminated diet as compared to those PKU individuals who are currently on diet.
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