Table 2 Pairwise comparison of accuracy of different artifact removal modes at 54 kVp
Artifact Removal | Mean difference | P-Value* | 95% Confidence interval for difference | |
|---|---|---|---|---|
Lower | Upper | |||
None | ||||
Low | 0.57 | 0.57 | -0.42 | 1.57 |
Medium | 2.10 | 0.001 | 0.66 | 3.54 |
High | 2.10 | <0.001 | 0.75 | 3.44 |
Low | ||||
None | -0.57 | 0.57 | -1.57 | 0.42 |
Medium | 1.53 | 0.01 | 0.20 | 2.86 |
High | 1.53 | 0.003 | 0.37 | 2.68 |
Medium | ||||
None | -2.10 | 0.001 | -3.54 | -0.66 |
Low | -1.53 | 0.01 | -2.86 | -0.20 |
High | -0.01 | 1.00 | -0.34 | 0.32 |
High | ||||
None | -2.10 | < 0.001 | -3.44 | -0.75 |
Low | -1.53 | 0.003 | -2.68 | -0.37 |
Medium | 0.01 | 1.00 | -0.32 | 0.34 |