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| Variables | Group 1 (Damon) | Group 2 (Conventional) | p-value |
| Number of subjects | 12 | 15 | |
| Age (year) | 14.65 (13.10-16.70) | 14.80 (12.10-15.90) | 0.905a |
| Mand. crowding (mm) | 3.75±0.94 | 3.31±0.74 | 0.256a |
| Max. crowding (mm) | 4.24±1.14 | 3.66±0.90 | 0.236a |
a: Mann-Whitney test. Values are presented as mean ± standard deviation (SD), median (min-max) or p-value.
