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Association between orthodontic treatment need and complexity*
| Very difficult | Difficult | Moderate | Mild | Easy | Total | |
|---|---|---|---|---|---|---|
| Treatment need | 38 (%6.33) | 70 (%11.66) | 142 (%23.66) | 20 (%3.33) | 0 | 270 (%45) |
| No need for treatment | 0 | 0 | 0 | 126 (%21) | 204 (%34) | 330 (%55) |
| Total | 38 (%6.33) | 70 (%11.66) | 142 (%23.66) | 146 (%24.33) | 204 (%34) | 600 |
Chi square test, p< 0.05
