Table 6.
Prevalence of and scores for pitting and delamination
| Parameter | Pitting | Delamination | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Medial | Lateral | Both sides | Medial | Lateral | Both sides | |||||||
| Conforming | Less conforming | Conforming | Less conforming | Conforming | Less conforming | Conforming | Less conforming | Conforming | Less conforming | Conforming | Less conforming | |
| Prevalence* | 84% | 74% | 82% | 71% | 87% | 81% | 63% | 29% | 55% | 19% | 71% | 32% |
| p value† | 0.303 | 0.299 | 0.484 | 0.005 | 0.002 | 0.001 | ||||||
| Mean score | 2.22 | 1.09 | 2.18 | 1.06 | 4.39 | 2.15 | 1.38 | 0.57 | 0.96 | 0.57 | 2.33 | 1.14 |
| SD | 1.54 | 1.11 | 1.58 | 1.09 | 3.00 | 2.00 | 1.48 | 1.12 | 1.10 | 1.34 | 2.45 | 2.36 |
| p value† | 0.001 | 0.001 | < 0.001 | 0.015 | 0.194 | 0.045 | ||||||
* Percentage of components with a score > 0; †comparing the conforming and less conforming designs, obtained with a chi-square test for prevalence values and a two-tailed t-test for the mean scores.