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Comparison of subjective scores of the overall image quality of all pulmonary nodules between the two scanning modes
| Score | |||
|---|---|---|---|
| Morphological display of nodules | Visibility for surrounding lung tissue | Artifacts and diagnostic confidence | |
| Standard-dose scan | 4.58 ± 0.51 | 4.51 ± 0.22 | 4.63 ± 0.82 |
| Low-dose scan | 4.52 ± 0.39 | 4.47 ± 0.36 | 4.60 ± 0.29 |
| Z value | −0.438 | −0.391 | −0.416 |
| p value | 0.673 | 0.729 | 0.694 |
