Table 2.
Mammographic characteristics and outcome of lesions recalled by the 1st reader vs. lesions additionally recalled by the 2nd reader
| Recalls by 1st reader (n = 2928) | Additional recalls by 2nd reader (n = 612) | P-value | |
|---|---|---|---|
| Mammographic abnormalitya | |||
| Mass | 2084 (71.2) | 427 (69.8) | <0.001 |
| Microcalcifications | 429 (14.7) | 75 (12.3) | |
| Mass with microcalcifications | 106 (3.6) | 14 (2.3) | |
| Asymmetry | 119 (4.1) | 29 (4.7) | |
| Architectural distortion | 190 (6.5) | 67 (10.9) | |
| BI-RADS at recall | |||
| BI-RADS 0 | 1820 (62.2) | 285 (75.4) | <0.001 |
| BI-RADS 4 or 5 | 1108 (37.8) | 93 (24.6) | |
| Type of assessment after recall | |||
| None | 10 (0.3) | 0 (0) | 0.001 |
| Clinical breast imaging | 1736 (59.3) | 422 (69.0) | |
| Clinical breast imaging + biopsy | 1182 (40.4) | 190 (31.0) | |
| Screening outcome | |||
| False positive | 2312 (79.0) | 530 (86.6) | <0.001 |
| True positive | 616 (21.0) | 82 (13.4) | |
aDominant mammographic abnormality in case of multiple recalled lesions