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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