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European Radiology Experimental

Table 1 Contrast-to-noise-ratio of the contrast agents calculated in both the attenuation and dark-field modes

From: Microbubbles as a contrast agent in grating interferometry mammography: an ex vivo proof-of-mechanism study

Sample number

Attenuation

Dark-field

Iodine

Microbubbles

Iodine

Microbubbles

1

9.7 ± 2.1

1.4 ± 0.3

3.8 ± 2.4

2.7 ± 1.3

2

46.0 ± 11.7

1.7 ± 0.7

5.1 ± 2.8

2.9 ± 1.6

3

25.8 ± 8.7

1.8 ± 0.9

1.9 ± 1.6

1.7 ± 1.3

4

15.1 ± 3.3

2.7 ± 0.4

2.8 ± 2.2

5.1 ± 3.5

Mean

24.2 ± 6.5

1.9 ± 0.6

3.4 ± 2.3

3.1 ± 1.9

  1. Data are given as mean ± standard deviation
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