Table 2 Significance tests: Pearson Chi-squared-test and Fisher Exact-test
From: Lingual orthodontics for children and adolescents: improvement of the indirect bonding protocol
Amount | df | Exact significance (bilateral) | Exact significance (unilateral) | ||
|---|---|---|---|---|---|
Pearson Chi-squared-test | 6,667 | 1 | 0,010 | ||
Fisher exact test | 0,016 | 0,013 | |||
Number of valid tooth surfaces | 240 |