Appendix C

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 3. PKU vs Unaffected Non-familial Control Participants on Various Outcomes

Outcome N M d 95% Confidence Interval
IQ

86

0.4603

0.3702 to 0.5504

FSIQ

45

0.4972

0.3631 to 0.6313

VIQ

17

0.3970

0.1979 to 0.5961

PIQ

18

0.5417

0.3164 to 0.7670

Executive functions

38

0.4642

0.2337 to 0.6947

Inhibition and flexibility

32

0.3414

0.0973 to 0.5855

Attention

32

0.6547

0.4366 to 0.8728

Sustained and selective

22

0.6345

0.2993 to 0.9697

Behavior

144

0.1325

0.0707 to 0.1943

Ratings

94

0.1573

0.0782 to 0.2364

Psychological disorders

51

0.0929

-0.0078 to 0.1936

Other cognitive and motor skills

114

0.5389

0.4102 to 0.6677

Memory

6

0.3634

-0.2898 to 1.0167

Visual-spatial

27

1.1967

0.8407 to 1.5527

Motor

49

0.3656

0.2754 to 0.4557

Speed of processing

28

0.5293

0.0644 to 0.9943

 

Note. N=number of effect sizes. Ratings=ratings of general behavior by parents/teachers, and self-concept. A positive effect size reflects a result in which the PKU group performed more poorly than the control group, on average.

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