Table 7.
Reproducibility of carotid intima medial thickness (cIMT) measures.
| MeanDiff (95% LOA) | ICC | MeanDiff (95% LOA) | ICC | |
|---|---|---|---|---|
| Intra-observer | Inter-observer | |||
| cIMT* far wall maximum of means, mm | 0.04 (−0.08, 0.17) | 0.79 | −0.001 (−0.12, 0.12) | 0.89 |
| Carotid lumen diameter, mm | 0.06 (−0.16, 0.28) | 0.98 | 0.02 (−0.46, 0.49) | 0.94 |
| Plaque area*, mm2 | −3.3 (−20.7, 14.1) | 0.81 | 0.3 (−11.5, 12.1) | 0.90 |
| Gray-scale median, mm | 8.8 (−13.4, 31.0) | 0.89 | 2.5 (−57.2, 47.8) | 0.73 |
| Percentage white, % | 9.3 (−13.4, 31.9) | 0.60 | 10.9 (−16.6, 38.5) | 0.48 |
Data are mean difference [95% limit of agreement (LOA)].
*
cIMT, n = 10; plaque characteristics, n = 17. ICC, intra-class correlation coefficient.