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Number and percentage of children able to sustain phonation for 8 s or longer by age and group
| Group | Age range in years |
||
|---|---|---|---|
| 4–6 | 7–10 | 11–16 | |
| Healthy controls | 19/30 (63%) | 40/40 (100%) | 59/60 (98%) |
| GAL | 1/5 (20%) | 9/14 (64%) | 5/5 (100%) |
| GAL-MSD | 0/3 (0%) | 1/4 (25%) | 1/2 (50%) |
GAL Children with galactosemia not diagnosed with a motor speech disorder, GAL-MSD children with galactosemia diagnosed with a motor speech disorder
