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Table 1: Comparison of the degree of stenosis and the minimal luminal diameter
Degree of Stenosis (%) Minimal Luminal Diameter (mm)
Observer 1 Observer 2 Observer 1 Observer 2
DSA^{^a} 71.72 ± 21.21^{^b} 70.64 ± 23.18^{^b} 0.50 ± 0.40^{^c} 0.51 ± 0.42^{^c}
    Interobserver agreement 0.930 (0.868–0.963) 0.916 (0.838–0.956)
HR-MR^{^a} 74.27 ± 20.39^{^b} 70.42 ± 23.12^{^b} 0.61 ± 0.49^{^c} 0.59 ± 0.48^{^c}
    Interobserver agreement 0.909 (0.828–0.952) 0.915 (0.836–0.956)
Agreement 
    Continuous values^{^d} 0.937 (0.882–0.967) 0.943 (0.892–0.970) 0.892 (0.791–0.944) 0.949 (0.902–0.974)
    Classified stenosis^{^e} 0.548 (0.310–0.785) 0.614 (0.403–0.825) 
Correlation 
    Continuous values^{^f} 0.861 (P < .001) 0.892 (P < .001) 0.816 (P < .001) 0.879 (P < .001)
    Classified stenosis^{^f} 0.773 (P < .001) 0.766 (P < .001) 
↵a Data indicate the mean ± SD.
↵b There were no significant differences between DSA and HR-MR (P > .05).
↵c There were significant differences between DSA and HR-MR (P < .05).
↵d Agreement refers to the interclass correlation coefficients between DSA and HR-MR, and data in parentheses indicate 95% confidence intervals.
↵e Agreement refers to the κ values between DSA and HR-MR, and data in parentheses indicate 95% confidence intervals.
↵f Correlation refers to the Spearman R values between DSA and HR-MR.