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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