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Table 9 Comparison between detected lesions and correlated BIRADS by mammogram with patient's ages

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%)

  1. NS non-significant, S significant, HS highly significant
  2. P value > 0.05 non-significant
  3. P value < 0.05 significant
  4. P value < 0.01 highly significant