Article Figures & Data
Figures
- Fig 1.
MDCTA axial image of a 63-year-old woman. The white arrow indicates the CAWT of the left common carotid artery. Panel A is a 100% zoom of the CAWT.
- Fig 2.
Bland-Altman plot for intraobserver agreement.
- Fig 3.
Bland-Altman plot for interobserver agreement in the first measurement.
- Fig 4.
Bland-Altman plot for interobserver agreement in the second measurement.
- Fig 5.
Mountain plot analysis for the intraobserver agreement.
Tables
Mean 95% CI Variance SD RSD SEM Median 95% CI Minimum Maximum 2.5–97.5 P 5–95 P Normal Distr. OBS 1 first 1.23 1.158–1.292 0.0853 0.292 0.238 0.034 1.28 1.117–1.360 0.67 1.83 .720–1.712 .732–1.665 0.251 OBS 1 second 1.28 1.212–1.342 0.0793 0.282 0.221 0.033 1.32 1.227–1.423 0.72 2.09 .739–1.811 0.828–1.708 0.883 OBS 2 first 1.21 1.145–1.273 0.0783 0.28 0.232 0.032 1.23 1.132–1.320 0.61 1.87 .650–1.768 .726–1.679 0.692 OBS 2 second 1.19 1.126–1.243 0.0647 0.254 0.215 0.029 1.22 1.113–1.320 0.65 1.8 .684–1.689 .757–1.623 0.636 OBS 3 first 1.21 1.134–1.279 0.0989 0.315 0.261 0.036 1.21 1.107–1.340 0.45 1.89 .632–1.810 .720–1.670 0.478 OBS 3 second 1.2 1.130–1.261 0.0809 0.285 0.238 0.033 1.21 1.090–1.320 0.54 1.87 .629–1.761 .690–1.575 0.632 OBS 4 first 1.24 1.182–1.305 0.0709 0.266 0.214 0.031 1.32 1.194–1.413 0.66 1.69 .760–1.639 .770–1.602 0.092 OBS 4 second 1.25 1.179–1.311 0.0825 0.287 0.231 0.033 1.26 1.147–1.323 0.65 1.83 .708–1.769 .760–1.717 0.36 Note:—OBS indicates observer; RSD, relative standard deviation; SEM = standard error of the mean; CI, confidence interval; Distr., distribution.
First Measurement Second Measurement Observer P Value Observer P Value OBS 1-OBS 2 .319 OBS 1-OBS 2 .214 OBS 1-OBS 3 .389 OBS 1-OBS 3 .158 OBS 1-OBS 4 .301 OBS 1-OBS 4 .099 OBS 2-OBS 3 .889 OBS 2-OBS 3 .567 OBS 2-OBS 4 .076 OBS 2-OBS 4 .121 OBS 3-OBS 4 .105 OBS 3-OBS 4 .108 Note:—OBS indicates observer.
