TABLE 1.
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.
Depicts statistical signficance of P < .001 for correlation analyses of intraclass correlation coefficient (ICC).