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Table 3 I 0 (mGy) and μ en (cm–1) for each anode-filter combination for different kVp. The coefficient R2 > 0.99 for each anode-filter combination states the goodness-of-fit of the experimental measurements (Fig. 2) to Equation 5. mAs value was set to 40 for each anode-filter combination

From: Average absorbed breast dose in mammography: a new possible dose index matching the requirements of the European Directive 2013/59/EURATOM

 

Mo-Mo

kVp

22

24

26

28

30

I 0

1.45 ± 0.04

2.05 ± 0.05

2.77 ± 0.06

3.55 ± 0.08

4.41 ± 0.09

μ en

1.04 ± 0.05

0.95 ± 0.04

0.89 ± 0.04

0.84 ± 0.04

0.81 ± 0.03

 

Mo-Rh

kVp

24

26

28

30

32

I 0

1.59 ± 0.03

2.22 ± 0.03

2.88 ± 0.03

3.62 ± 0.04

4.39 ± 0.06

μ en

0.80 ± 0.03

0.75 ± 0.02

0.72 ± 0.02

0.70 ± 0.02

0.68 ± 0.02

 

Rh-Rh

kVp

26

28

30

32

34

I 0

2.08 ± 0.06

2.69 ± 0.07

3.39 ± 0.09

4.1 ± 0.1

4.9 ± 0.8

μ en

0.76 ± 0.04

0.71 ± 0.04

0.67 ± 0.04

0.64 ± 0.03

0.61 ± 0.03

 

W-Rh

kVp

26

28

30

32

34

I 0

1.02 ± 0.02

1.25 ± 0.02

1.46 ± 0.02

1.68 ± 0.02

1.90 ± 0.03

μ en

0.61 ± 0.02

0.59 ± 0.02

0.56 ± 0.02

0.54 ± 0.02

0.53 ± 0.02

 

W-Ag

kVp

26

28

30

32

34

I 0

1.25 ± 0.02

1.59 ± 0.02

1.90 ± 0.03

2.21 ± 0.03

2.52 ± 0.04

μ en

0.58 ± 0.02

0.55 ± 0.02

0.52 ± 0.03

0.50 ± 0.02

0.48 ± 0.02