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Table 2 Median and interquartile interval of CT value and CE measured in the structures analysed in the study

From: Lean body weight versus total body weight to calculate the iodinated contrast media volume in abdominal CT: a randomised controlled trial

CT value (HU)

CE (HU)

TBW group (n = 141)

LBW group (n = 133)

Liver unenhanced

 

56 (53–60)

56 (51–61)

Liver arterial phase

 

74 (67–81)

73 (65–80)

Liver venous phase

 

97 (91–102)

97 (90–105)

 

Liver

40 (35–44)

40 (35–46)

Aorta unenhanced

 

43 (40–45)

43 (40–45)

Aorta arterial phase

 

267 (237–305)

273 (238–304)

Aorta venous phase

 

125 (116–136)

125 (117–134)

 

Aorta

83 (73–92)

83 (74–91)

Cava venous phase

 

101 (95–110)

104 (95–110)

Porta venous phase

 

128 (118–136)

127 (118–139)

Spleen venous phase

 

92 (87–98)

94 (87–99)

  1. The median Live CE did not differ between groups at the Mann–Whitney U test (p = 0.41). Similarly, the rank spread of the liver CE did not differ between groups at the nonparametric Levene’s test (p = 0.23)
  2. HU Hounsfield unit, CE contrast enhancement, TBW total body weight, LBW lean body weight