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. Author manuscript; available in PMC: 2020 Aug 1.
Published in final edited form as: Magn Reson Med. 2019 Aug 18;83(2):505–520. doi: 10.1002/mrm.27943

TABLE 1.

Results for the rotating phantom: Bland-Altman and correlation analysis of the absolute velocity for all 3 sets of VENCs for both x and y velocities

Line Mean velocity (m/s) Mean difference (m/s) LOA (m/s) CV (%) Slope (m/s) Intercept (m/s) ICC
SV 150 x 0.59 ± 0.34 −0.03 0.07 22.1 0.961 0.008 0.994a
y 0.62 ± 0.36 0.02 0.08 25.4 1.018 −0.004 0.994a
Triple-VENC 50/75/150 x 0.59 ± 0.35 −0.03 0.07 24.8 0.945 0.006 0.992a
y 0.60 ± 0.35 −0.01 0.07 25.3 0.992 −0.003 0.995a
Dual-VENC 50/150 x 0.58 ± 0.33 −0.02 0.07 21.9 0.951 0.006 0.992a
y 0.60 ± 0.35 −0.02 0.07 23.5 0.994 −0.003 0.994a
Triple-VENC 60/100/150 x 0.62 ± 0.36 0.03 0.07 22.7 1.017 0.006 0.995a
y 0.65 ± 0.38 0.04 0.09 24.5 1.064 −0.003 0.988a
Dual-VENC 60/150 x 0.58 ± 0.34 −0.02 0.06 24.3 0.959 0.005 0.995a
y 0.62 ± 0.36 0.03 0.04 18.1 1.042 0.005 0.995a
SV 180 x 0.63 ± 0.36 0.03 0.04 22.7 1.041 0.006 0.995a
y 0.66 ± 0.38 0.05 0.09 24.6 1.081 −0.003 0.984a
Triple-VENC 60/90/180 x 0.57 ± 0.33 −0.03 0.07 24.7 0.941 0.006 0.991a
y 0.60 ± 0.35 −0.01 0.07 24.0 0.985 −0.003 0.995a
Dual-VENC 60/180 x 0.57 ± 0.33 −0.04 0.07 24.6 0.931 0.006 0.988a
y 0.59 ± 0.35 −0.02 0.07 23.7 0.974 −0.003 0.993a

Note: Bland-Altman analysis is presented with the mean difference and limits of agreement (LOAs).

Abbreviations: CV, coefficient of variation; and SV, single VENC.

a

Depicts statistical signficance of P < .001 for correlation analyses of intraclass correlation coefficient (ICC).