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Number of marked images in 289 patients
| Group (n) | Total No. of images | No. of marked images | P |
| With lesion (236) | 52 374 ± 4 865 | 4 156 ± 478b | < 0.001 |
| Without lesion (86) | 54 210 ± 3 739 | 4 219 ± 376d | < 0.001 |
| P | > 0.10 | > 0.10 |
P < 0.001, total No. of the images vs No. of the marked images in the group with lesions;
P < 0.001, total No. of the images vs No. of the marked images in the group without any lesions.
