Table 2.
Two-way ANOVA for fracture resistance according to intra-canal restorative technique and marginal ridge integrity, including partial eta squared (η²) effect sizes
| Source | Sum of squares | df | Mean square | F-value | P-value | Partial η² |
|---|---|---|---|---|---|---|
| Corrected Model | 942150.557a | 7 | 134592.937 | 12.023 | < 0.001* | 0.539 |
| Intercept | 13922343.733 | 1 | 13922343.733 | 1243.653 | < 0.001* | 0.945 |
| Intra-canal restorative technique | 748276.163 | 3 | 249425.388 | 22.281 | < 0.001* | 0.481 |
| Marginal ridge integrity | 170867.484 | 1 | 170867.484 | 15.263 | < 0.001* | 0.175 |
| Intra-canal restorative technique * Marginal ridge integrity | 23006.910 | 3 | 7668.970 | 0.685 | 0.564 | 0.028 |
| Error | 806019.863 | 72 | 11194.720 | |||
| Total | 15670514.153 | 80 | ||||
| Corrected Total | 1748170.420 | 79 |
*Statistically significant difference at P < 0.05