From: Automated breast ultrasound system (ABUS): can it replace mammography as a screening tool?
 | < 40 years | ≥ 40 years | Test value | P value | Sig. | |
---|---|---|---|---|---|---|
No. of patients = 11 | No. of patients = 14 | |||||
Mammogram BIRADS | Mean ± SD | 1.73 ± 1.01 | 3.07 ± 1.44 | − 2.626 | 0.015 | S |
Range | 1–4 | 1–5 | ||||
1 | 6 (54.5%) | 2 (14.3%) | 6.206 | 0.184 | NS | |
2 | 3 (27.3%) | 4 (28.6%) | ||||
3 | 1 (9.1%) | 2 (14.3%) | ||||
4 | 1 (9.1%) | 3 (21.4%) | ||||
5 | 0 (0.0%) | 3 (21.4%) | ||||
Mammogram | Negative | 6 (54.5%) | 2 (14.3%) | 4.588 | 0.032 | S |
Positive | 5 (45.5%) | 12 (85.7%) |