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Pretreatment variables
| n | Age (years) | Gender (M:F) | Angle class. (I:II:III) | Mn irreg. index (mm) | No. initial aligners | |
|---|---|---|---|---|---|---|
| DM | 88 | 25.3 ± 11.1 | 63:25 | 40:45:3 | 5.9 ± 3.0 | 42.2 ± 7.7 |
| Control | 67 | 25.4 ± 10.1 | 50:17 | 29:36:2 | 5.9 ± 2.6 | 44.7 ± 12.3 |
| P signif. | 0.976 | 0.177 | 0.110 | 0.963 | 0.15 |
