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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