Table 4.
Univariate logistic regression for association of combined quality of root canal treatment and coronal restoration with apical periodontitis
| Covariates | Total N (%) | Periapical Status | β | OR | CI at 95% | p-value | |
|---|---|---|---|---|---|---|---|
| AP absent n (%) | AP present n (%) | ||||||
| Adequate RCT/ Adequate CR | 91 (30.3) | 89 (97.8) | 2 (2.2) | 1 | Reference | ||
| Adequate RCT/ Inadequate CR | 48 (16.0) | 35 (72.9) | 13 (27.1) | 2.80 | 16.52 | 3.54–77.03 | < 0.001* |
| Inadequate RCT/ Adequate CR | 46 (15.3) | 28 (60.8) | 18 (39.2) | 3.35 | 28.60 | 6.24-130.97 | < 0.001* |
| Inadequate RCT/ Inadequate CR | 115 (38.3) | 53 (46.0) | 62 (53.9) | 3.95 | 52.05 | 12.22–221.60 | < 0.001* |
Abbreviations: AP, apical periodontitis; RCT, root canal treatment; CR, coronal restoration; CI, confidence interval; OR, odds ratio. *Statistically significant