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. Author manuscript; available in PMC: 2012 Feb 29.
Published in final edited form as: Eur Radiol. 2008 May 20;18(11):2466–2474. doi: 10.1007/s00330-008-1019-5

Table 1.

Volumes of vessel, lumen and plaque with visual adjustment of color maps versus HU-based analysis

DSCT IVUS
Visual analysis HU-based analysis
Vessel (mm3) 115.6±53.6; P=0.29
−5.5; CI −17 to 5
r=0.92		 115.6±53.6; P=0.29
−5.5; CI −17 to 5
r=0.92		 121.1±50.9
Lumen (mm3) 53.5±24.8; P=0.003
−16.6; CI −28 to −8
r=0.85		 67.4±29.9; P=0.32
−2.7; CI −14 to 5
r=0.87		 70.1±34.0
Plaque burden (mm3) 61.6±26.6; P=0.04
10.6; CI 0 to 21
r=0.71		 47.0±18,3; P=0.22
−4; CI −11 to 3
r=0.83		 51.0±22.1

P-values refer to comparison with IVUS. The deviation of means is expressed by bias and confidence interval (CI); the degree of correlation with IVUS is given as the Pearson’s correlation coefficient