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. Author manuscript; available in PMC: 2015 Apr 3.
Published in final edited form as: Radiology. 2014 Mar 14;272(1):241–251. doi: 10.1148/radiol.14131603

Table 3.

MRA vs. CTA paired comparisons: scores for both readers and N=10 studies.

−2 = MRA
Substantially
Better
−1 = MRA
Marginally
Better
0 = Neutral +1 = CTA
Marginally
Better
+2 = CTA
Substantially
Better
MRA vs
CTA
Significance
Visualization of Disease Reader 1 1 3 1 2 3 p = 0.50
Reader 2 0 3 2 4 1 p = 0.41
Reading Confidence Reader 1 1 2 2 2 3 p = 0.39
Reader 2 3 1 2 3 1 p = 0.61
Overall Diagnostic Quality Reader 1 1 2 2 2 3 p = 0.39
Reader 2 0 4 0 4 2 p = 0.33