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Distribution of third molar impaction by number of impactions
| No. of impactions | Total (%) | Chi-square | df | Asymp. sig. (2-tailed) |
|---|---|---|---|---|
| 1 | 306 (72.5) | 773.8 | 4 | 0.000 |
| 2 | 82 (19.4) | |||
| 3 | 20 (4.8) | |||
| 4 | 14 (3.3) | |||
| Total | 422 (100) |
Abbreviations: df, degrees of freedom; Asymp. Sig., asymptotic significance.
