Table 3 Univariate and adjusted two-tailed Cox Regression Analysis between restorative treatment failure and prognostic factors
Variable | Survival rate % | 95% CI | HR Univariate 95% CI | p-value | HR Adjusted 95% CI | Two-tailed p-value |
|---|---|---|---|---|---|---|
Group | ||||||
RDI (ref) | 60.41 | 48.40–70.47 | 1.36 (0.82–2.23) | 0.222 | 1.34 (0.81–2.19) | 0.244 |
CRI | 54.31 | 42.52–64.67 | ||||
Restoration | ||||||
New restoration (ref) | 63.16 | 52.83–71.83 | 1.54 (0.95–2.52) | 0.079 | 1.53 (0.93–2.52) | 0.093 |
Replacement | 46.43 | 32.60–59.16 | ||||
Number of Surfaces | ||||||
Single (ref) | 62.65 | 45.69–75.64 | 1.18 (0.66–2.11) | 0.565 | 1.08 (0.60–1.95) | 0.782 |
Multiple | 55.43 | 45.74–64.08 | ||||
Molar | ||||||
1st molar (ref) | 52.95 | 41.36–63.25 | 0.72 (0.44–1.18) | 0.203 | – | – |
2nd molar | 62.00 | 49.79–77.05 | ||||
Caries experience (DMFT/dmft) | ||||||
Low (1–3) (ref) | 52.38 | 26.54–72.97 | 1.02 (0.48–2.16) | 0.956 | – | – |
High (> 3) | 57.67 | 48.86–65.51 | ||||
Operator | ||||||
Specialist (ref) | 56.70 | 45.27–66.61 | 1.04 (0.63–1.69) | 0.872 | – | – |
GDP | 58.20 | 45.75–68.75 | ||||
TOTAL | 57.30 | 49.01–64.74 | ||||