| <30 | 30 - 39 | 40 - 49 | 50 - 59 | 60 - 69 | 70 - 79 | ≥80 | Total |
BI-RADS I | 64 | 171 | 229 | 206 | 67 | 19 | 2 | 758 |
BI-RADS II | 24 | 39 | 58 | 45 | 26 | 13 | 2 | 207 |
BI-RADS III | 2 | 11 | 20 | 14 | 3 | 1 | 0 | 51 |
BI-RADS IV | 1 | 11 | 11 | 8 | 1 | 4 | 2 | 38 |
BI-RADS V | 0 | 5 | 6 | 3 | 5 | 1 | 0 | 20 |
Total | 91 | 237 | 324 | 276 | 102 | 38 | 6 | 1074 |