Table 2.
Mean success rates, 95% confidence intervals, and heterogeneity statistics.
| 95% CI | ||||||
|---|---|---|---|---|---|---|
| k | p+ | LL | UL | Q | I2 | |
| Retention | 27 | 0.879 | 0.803 | 0.928 | 260.4977*** | 90.02 |
| Marginal integrity | 27 | 0.898 | 0.852 | 0.931 | 129.7594*** | 79.96 |
| Anatomic form | 24 | 0.901 | 0.845 | 0.938 | 103.8451*** | 77.85 |
| Absence of recurrent caries | 30 | 0.909 | 0.865 | 0.939 | 151.9184*** | 80.91 |
k = number of studies. p+ = mean success rate. LL and UL: lower and upper limits of the 95% confidence interval for p+. Q = Cochran’s heterogeneity Qstatistic; Q statistic has k – 1 degrees of freedom. I2 = heterogeneity index. ***p < 0.0001.