Table 1 Tube voltage (kV) and tube current – time products (mAs) for phantom and patient measurements
Group / Type | Tube voltage (kV; single value, range, or mean ± standard deviation) | Tube current (mAs; single value, range, or mean ± standard deviation) | Compression thickness (mm; single value, range, or mean ± standard deviation) | |||
|---|---|---|---|---|---|---|
CC | MLO | CC | MLO | CC | MLO | |
Breast phantom without Alderson, two different compression thicknesses | 28 | 80 | 50 | |||
30 | 100 | 60 | ||||
Breast phantom with Alderson | 26–30 | 27–30 | 52–231 | 51–240 | 30–70 | 30–70 |
Patient L-group | 30.2 ± 0.8 | 30.6 ± 0.9 | 105.4 ± 26.5 | 119.6 ± 36.4 | 67.3 ± 7.8 | 70.2 ± 9.0 |
Patient M-group | 29.5 ± 0.8 | 29.7 ± 0.9 | 101.8 ± 30.9 | 111.1 ± 41.1 | 59.4 ± 7.7 | 60.6 ± 9.5 |
Patient S-group | 28.0 ± 0.9 | 28.2 ± 0.9 | 79.3 ± 28.3 | 82.7 ± 20.1 | 43.9 ± 9.3 | 44.9 ± 7.4 |
All patients | 29.1 ± 1.3 | 29.4 ± 1.4 | 93.6 ± 30.6 | 102.0 ± 35.9 | 55.5 ± 17.7 | 57.1 ± 13.9 |