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Table 1 Performance in the vessel phantom

From: Retrospective slice prescription compensation improves coronary cross-sectional area measurement by MRI

True angle (deg) Estimated angle (deg) Area relative error % (initial) Area relative error % (corrected) Error-equivalent angle (deg) Prescription sensitivity reduction factor
0 0.3 ± 0.1 0.7 ± 2.0 0.08 ± 1.8 0.04 0
5.4 5.6 ± 0.6 12.7 ± 0.3 1.7 ± 1.1 0.9 6
10.3 11.2 ± 0.3 21.1 ± 1.3 -1.0 ± 0.6 0.5 21
20.5 20.3 ± 0.9 43.0 ± 5.1 -0.07 ± 3.6 0.04 512
31.5 31.9 ± 1.4 74.3 ± 4.4 -0.06 ± 2.7 0.03 1050
  1. The error-equivalent angle is the prescription angle corresponding to the mean area error after correction (based on the solid lines in Fig. 2). The prescription sensitivity reduction factor is the ratio of the actual prescription angle to the error-equivalent angle.