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. 2017 Jul 6;4:101. doi: 10.3389/fvets.2017.00101

Table 1.

Summary of the average ± SD [range] lung attenuation in Hounsfield units (HU) pre- and post-intravenous iodinated contrast medium administration and the difference in attenuation between the pre- and post-intravenous iodinated contrast medium administration images sorted by group.

Disease group Attenuation (HU) pre-contrast Attenuation (HU) post-contrast Difference in attenuation between pre- and post-contrast
Group 1—acute −456.8 ± 81.9 [−898.9–76.6] −424.1 ± 82.3 [−871.9–120.4] 32.7 ± 14.6 [11.9–54.3]
Group 2—short-term chronic −478.2 ± 123.2 [−851.5–123.2] −451.1 ± 130.3 [–836.2–125.8] 24.5 ± 17.8 [−1.3–49.3]
Group 3—long-term chronic −521.9 ± 164.1 [−869.1–164.0] −491.5 ± 165.0 [–841.2–108.1] 30.4 ± 11.2 [16.1–52.9]