Table 2.
Visual analysis scores.
| Reader 1 | Reader 2 | |||||
|---|---|---|---|---|---|---|
| Score * | p Value ** | Score * | p Value ** | |||
| Conventional | DL | Conventional | DL | |||
| Depiction of primary lesion |
4.455 ± 0.857 | 4.673 ± 0.695 | 0.121 | 4.000 ± 1.089 | 4.364 ± 0.969 | 0.049 |
| Noise | 4.073 ± 0.663 | 4.782 ± 0.498 | <0.001 | 3.855 ± 0.621 | 4.491 ± 0.573 | <0.001 |
| Clarity of mammary gland |
3.909 ± 0.727 | 4.309 ± 0.836 | 0.003 | 3.291 ± 0.737 | 4.109 ± 0.737 | <0.001 |
| Overall image quality |
4.073 ± 0.663 | 4.636 ± 0.557 | <0.001 | 3.904 ± 0.470 | 4.473 ± 0.539 | <0.001 |
* Evaluated on a five-point scale (1 = extremely poor, 2 = poor, 3 = fair, 4 = good, and 5 = excellent); numbers in the table show the average score ± standard deviation. ** Significant values are shown in boldface type. Conventional, positron emission tomography (PET) with conventional reconstruction; DL, PET with deep learning restoration.