Table 4.
Results of multivariate Cox regression analysis of primary anterior teeth after pulpectomy
| Co-variable | Subgroup | B | P∗ | HR | 95% CI for HR |
|
|---|---|---|---|---|---|---|
| Lower | Upper | |||||
| Age | 0.027 | 0.725 | 1.027 | 0.885 | 1.192 | |
| Attending doctors | Intern | 0 | 1 | |||
| Expert | −0.157 | 0.471 | 0.855 | 0.557 | 1.310 | |
| Treatment method | Non-GA | 0 | 1 | |||
| GA | −0.329 | 0.021 | 0.719 | 0.544 | 0.952 | |
| Periapical lesion | No | 0 | 1 | |||
| Yes | 0.353 | 0.014 | 1.424 | 1.073 | 1.889 | |
| Root canal filling material | Iodoform zinc oxide paste | 0 | 1 | |||
| Vitapex® | 0.322 | 0.015 | 1.380 | 1.064 | 1.790 | |
∗The bold P value indicated that the difference was significant (P < 0.05).
B, coefficient of regression; CI, confidence interval; GA, general anesthesia; HR, hazard ratio; non-GA, non-general anesthesia.