Table 10. Early vs Late Diet Discontinuation Comparison on Various Outcomes
| Outcome | N | M d | 95% Confidence Interval |
|---|---|---|---|
| IQ |
64 |
0.6033 |
0.4693 to 0.7372 |
| FSIQ |
38 |
0.5709 |
0.3748 to 0.7670 |
| VIQ |
13 |
0.6774 |
0.4942 to 0.8607 |
| PIQ |
13 |
0.5923 |
0.2640 to 0.9206 |
Note. N=number of effect sizes. A positive effect size reflects that PKU individuals who terminated diet prior to age 8 years exhibited a poorer outcome with regard to intelligence than those PKU individuals who terminated diet after age 8 years.
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