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Characteristics of patients and involved restorations and p values of univariate Cox regressions (continuous variables)
| Parameter | Mean ± SD | p value |
|---|---|---|
| Agea (years) | 37.3 ± 13.1 | 0.011 |
| Decayed teethb | 12.5 ± 6.6 | < 0.001 |
| Missing teethb | 5.4 ± 4.3 | 0.011 |
| Filled teethb | 3.7 ± 3.9 | n.s. |
| DMFT-scoreb | 21.6 ± 7.4 | < 0.001 |
| Average number of follow-up visits per year | 1.5 ± 1.3 | n.s. |
n.s. not significant
aAt time of initial restoration
bPrior to treatment session of initial restoration
