Table 3 The correlation between the demographic data, clinical or radiographic findings and the incidence of pre-operative percussion tenderness or fistula
Variable | Statistical test | Pre-operative percussion tenderness | Pre-operative fistula |
|---|---|---|---|
Gender | Pearson Chi-square | 0.190 | 0.164 |
Age | Pearson Chi-square | 0.096 | 0.135 |
Tooth type | Pearson Chi-square | 0.836 | 0.6001 |
Pre-operative fistula | Pearson Chi-square | 0.118 | / |
Dental arch | Pearson Chi-square | 0.026 | 0.194 |
Palpation | Pearson Chi-square | 0.009 | 0.009 |
Tooth mobility | Pearson Chi-square | 0.108 | 0.20 |
Swelling | Pearson Chi-square | 0.197 | 0.051 |
Periodontal health | Pearson Chi-square | 0.024 | 0.002 |
Periapical index (PAI) | Pearson Chi-square | 0.012 | <0.001 |
ATP value before final irrigation (Sample A) | Mann Whitney U | 0.001 | <0.001 |