Table 1. | Descriptive statistics of the groups |
| Group | P-value | |||
|---|---|---|---|---|
| Study | Control | |||
| Participants | N | 37 | 32 | - |
| Gender | N (boys; girls) | 19; 18 | 16; 16 | 0.911a |
| Age (years) | Median (min; max) | 12.3 (9.8; 14.7) | 12.2 (9.5; 14.6) | 0.527b |
| Body mass index categories | ||||
| Underweight | N (%) | 10 (27) | 2 (6) | 0.507b |
| Normal weight | N (%) | 24 (65) | 21 (66) | |
| Overweight | N (%) | 3 (8) | 9 (28) | |
| Horizontal maxillary overjet (mm) | Mean (95% CI) | 9 (8.3; 9.7) | 2.7 (2.4; 3) | < 0.001c* |
| Vertical overbite (mm) | Mean (95% CI) | 4.1 (3.6; 4.6) | 3 (2.7; 3.4) | < 0.001c* |
aChi-square test; bMann-Whitney test; cgeneral linear model adjusted for age and gender.
*Statistically significant difference at P < 0.001.
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