Table 2.
Inter-scan reproducibility
| ICCa | 95 % CIa | Mean difference (SD)a | 95 % LOAa | |
|---|---|---|---|---|
| - Mean aortic lumen area (cm2)a | 0.98* | 0.95, 0.99 | −0.02 (0.08) | −0.17, 0.14 |
| - Mean aortic total vessel area (cm2)a | 0.98* | 0.96, 0.99 | −0.01 (0.08) | −0.17, 0.16 |
| - Mean aortic wall area (cm2)a | 0.97* | 0.92, 0.99 | 0.01 (0.03) | −0.05, 0.07 |
| - Mean aortic wall thickness (mm)a | 0.94* | 0.87, 0.98 | 0.01 (0.05) | −0.08, 0.11 |
| - Maximum aortic wall thickness (mm)a | 0.76* | 0.50, 0.90 | 0.04 (0.17) | −0.29, 0.37 |
| - Mean aortic WA/TVA ratioa | 0.94* | 0.87, 0.98 | 0.00 (0.01) | −0.01, 0.02 |
* P < .001
aICC: intraclass correlation coefficient (two-way random effects model assessing absolute of single measures). CI: confidence interval. LOA: limits of agreement. WA: wall area. TVA: total vessel area