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Table 6 Mean difference in HU values between phantom sizes for all monoenergetic images and iodine concentrations with General Electric Revolution CT

From: Quantitative benchmarking of iodine imaging for two CT spectral imaging technologies: a phantom study

Phantom sizes 10 mg/mL 20 mg/mL 30 mg/mL 50 mg/mL 100 mg/mL
M vs S -7.68 (0.036) -7.30 (0.294) -11.42 (0.281) -15.51 (0.368) -24.54 (0.457)
L vs S -3.17 (0.365) -8.33 (0.233) -15.13 (0.158) -21.65 (0.213) -33.26 (0.316)
L vs M 4.52 (0.201) -1.030 (0.880) -3.71 (0.719) -6.14 (0.719) -8.72 (0.790)
  1. HU Hounsfield units, M vs S Medium versus small phantom size, L vs M Large versus medium phantom size, L vs S Large versus small phantom size
  2. p-value in parentheses