TABLE 5.
Multivariate logistic regression model of risk factors for restorative failure.
| RISK FACTOR | ODDS RATIO (95% CI*) | P VALUE | OVERALL P VALUE |
|---|---|---|---|
|
| |||
| Restoration Type | |||
| Full-coverage crown | 1.00 | < .01 | |
| Intracoronal | 4.04 (2.79–5.86) | < .01 | |
|
| |||
| Number of Existing Contacts | |||
| Zero | 1.00 | < .01 | |
| One | 0.42 (0.19–0.96) | .04 | |
| Two | 0.27 (0.12–0.59) | < .01 | |
|
| |||
| Connective-Tissue Attachment Loss | |||
| No | 1.00 | < .01 | |
| Yes | 2.10 (1.27–3.49) | < .01 | |
|
| |||
| Patient Age | 0.98 (0.97–1.00) | .01 | .01 |
|
| |||
| Tooth Type | |||
| Molar | 1.00 | .04 | |
| Premolar | 1.69 (1.10–2.60) | .01 | |
| Canine or incisor | 1.50 (0.93–2.42) | .10 | |
|
| |||
| Ethnicity | |||
| Not Hispanic or unknown | 1.00 | .04 | |
| Hispanic | 1.81 (1.02–3.22) | .04 | |
|
| |||
| Clinician Who Performed Endodontic Treatment | |||
| General practitioner | 1.00 | .04 | |
| Specialist | 0.63 (0.41–0.99) | .04 | |
*
CI: Confidence interval.