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Table 1 CTA and IVUS comparison of volume, surface area, length and maximum inner angle

From: Three-dimensional reconstruction of coronary arteries and plaque morphology using CT angiography – comparison and registration with IVUS

  CP objects Inner wall Outer wall
Metrics Pearson's correlation r Degree of correlation R2 Pearson's correlation r Degree of correlation R2 Pearson's correlation r Degree of correlation R2
Volume 0.79 0.64 0.87 0.76 0.83 0.69
Volume Intersection vs IVUS 0.96 0.94 - - - -
Volume Intersection vs CT 0.82 0.71 - - - -
Surface area 0.86 0.75 0.94 0.89 0.94 0.89
Length 0.95 0.91 - - - -
Angle 0.88 0.78 - - - -