From: Automated breast ultrasound system (ABUS): can it replace mammography as a screening tool?
 | < 40 years | ≥ 40 years | Test value | P value | Sig. | |
---|---|---|---|---|---|---|
No. = 11 | No. = 14 | |||||
ABUS BIRADS | Mean ± SD | 2.00 ± 1.00 | 3.21 ± 1.31 | − 2.541 | 0.018 | S |
Range | 1–4 | 1–5 | ||||
1 | 4 (36.4%) | 1 (7.1%) | 5.722 | 0.221 | NS | |
2 | 4 (36.4%) | 4 (28.6%) | ||||
3 | 2 (18.2%) | 3 (21.4%) | ||||
4 | 1 (9.1%) | 3 (21.4%) | ||||
5 | 0 (0.0%) | 3 (21.4%) | ||||
ABUS | Negative | 4 (36.4%) | 1 (7.1%) | 3.287 | 0.070 | NS |
Positive | 7 (63.6%) | 13 (92.9%) |