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Table 4 Measured HU values in monoenergetic images with General Electric Revolution CT

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

Phantom size Energy level (kV) Water Saline 10 mg/mL 20 mg/mL 30 mg/mL 50 mg/mL 100 mg/mL
Small 70 -1.6 6.8 261.1 520.6 777.9 1292.6 2556.5
80 0.1 8.5 189.3 375.8 562.2 937.4 1850.8
90 1.1 9.4 142.0 281.2 420.9 702.2 1388.6
100 1.7 10.1 109.1 215.7 322.4 538.0 1065.1
110 2.3 10.4 85.7 169.5 254.2 422.6 834.4
120 2.7 10.7 69.5 137.1 205.4 341.7 673.9
130 2.9 11.2 56.6 111.6 166.2 278.9 551.9
140 3.0 11.3 49.0 92.2 138.4 229.2 457.8
Medium 70 -2.6 3.3 258.0 520.7 775.2 1300.5 2565.4
80 1.7 7.7 183.4 370.6 555.9 930.6 1843.2
90 5.3 10.6 134.8 280.3 411.7 689.4 1370.0
100 8.0 12.3 101.6 203.3 310.6 522.1 1038.4
110 9.6 14.2 77.0 154.4 240.5 401.6 802.4
120 10.9 16.5 60.7 132.5 189.5 316.6 638.3
130 12.5 15.5 47.8 95.9 151.8 254.4 511.6
140 13.2 17.4 37.6 87.7 121.2 203.4 413.4
Large 70 -7.6 1.8 266.8 524.4 785.4 1305.1 2556.4
80 -2.1 7.1 190.4 375.3 559.9 932.6 1836.1
90 2.2 11.2 141.0 276.3 410.7 685.0 1360.5
100 6.6 12.7 105.2 206.8 303.3 513.6 1029.1
110 8.6 13.4 80.4 158.1 233.0 392.8 794.6
120 9.6 14.8 63.2 123.1 181.8 305.7 630.9
130 11.0 15.3 49.5 96.8 141.7 242.6 504.0
140 12.2 16.1 40.4 76.3 110.8 192.0 401.3
  1. HU Hounsfield units