TABLE 4.
Success rate according to the quality of root canal fillings and root type
| Factors | Number of roots | Roots with success (%) | OR | 95%CI | Wald χ2 | df | p-value |
|---|---|---|---|---|---|---|---|
| RC filling quality+root type | |||||||
| Acceptable+anterior | 52 | 47 (90.4%) | 10.53 | 3.88-28.55 | 21.385 | 1 | <0.001 |
| Acceptable+premolar | 42 | 40 (95.2%) | 22.4 | 5.15-97.47 | 17.174 | 1 | <0.001 |
| Acceptable+molar | 47 | 43 (91.5%) | 12.04 | 4.04-35.93 | 19.901 | 1 | <0.001 |
| Unacceptable+anterior | 46 | 36 (78.3%) | 4.03 | 1.82-8.95 | 11.736 | 1 | 0.001 |
| Unacceptable+premolar | 56 | 38 (67.9%) | 2.36 | 1.2-4.66 | 6.185 | 1 | 0.013 |
| Unacceptable+molar | 106 | 50 (47.2%) | 1.00 | ||||
OR: odds ratio, CI: confidence interval, df: degrees of freedom