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Demographic characteristics of the samples used in this study.
| Orthodontic Treatment | Orthognathic Surgery | Total | |
|---|---|---|---|
| Number of patients | 640 | 320 | 960 |
| Number of men/women | 311/329 | 157/163 | 468/492 |
| Mean age (SD), years | 23.7 (5.3) | 26.3 (4.2) | 24.6 (4.9) |
SD, standard deviation.
