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Pre-treatment and follow-up ages of the treated (Thurow appliance) and untreated (control) groups.
| Group | Sample size | Mean ± SD | Prob. | |
|---|---|---|---|---|
| Initial | Treated | 13 | 8.85 ± 0.73 | 0.912 |
| Untreated | 22 | 8.82 ± 0.73 | ||
| Final | Treated | 13 | 9.84 ± 0.70 | 0.933 |
| Untreated | 22 | 9.82 ± 0.73 | ||
