Table 4 Distribution of different BIRADS category among VDG
BIRADS category | Total | VDG a (n = 61) | VDG b (n = 321) | VDG c (n = 540) | VDG d (n = 306) | ||||
|---|---|---|---|---|---|---|---|---|---|
No. | % | No. | % | No. | % | No. | % | ||
1 | 62 | 8 | 13.1 | 20 | 6.2 | 26 | 4.8 | 8 | 2.6 |
2 | 616 | 45 | 73.8 | 194 | 60.4 | 259 | 48.0 | 118 | 38.6 |
3 | 217 | 2 | 3.3 | 55 | 17.1 | 89 | 16.5 | 71 | 23.2 |
4a | 98 | 3 | 4.9 | 14 | 4.4 | 43 | 8.0 | 38 | 12.4 |
4b | 35 | 0 | 0.0 | 5 | 1.6 | 16 | 3.0 | 14 | 4.6 |
4c | 89 | 0 | 0.0 | 20 | 6.2 | 40 | 7.4 | 29 | 9.5 |
5 | 101 | 3 | 4.9 | 12 | 3.7 | 59 | 10.9 | 27 | 8.8 |
6 | 10 | 0 | 0.0 | 1 | 0.3 | 8 | 1.5 | 1 | 0.3 |