Table 1.
Intersonographer Reproducibility | |||||
---|---|---|---|---|---|
Population | Mean Age, y | Mean IMT, mm | Maximal IMT, mm | Intraclass Correlation Coefficient of CCA IMT | Average Absolute Difference of Replicate Measures, mm |
ARIC*11,13 | 54 | 0.63±0.16 | ... | 0.48 | 0.17±0.17 |
Rotterdam Study14 | 70 | 0.80±0.20 | 1.03±0.22 | 0.78-0.84 | 0.06±0.09 † |
CHS12 | 73 | ... | 1.09±0.20 | ICC not given, r2 = 0.52 | 0.20±0.26 |
Kitamura 200416 | 66 | ... | 1.03±0.43 | Not given ∫ | Not given ∫ |
MDCS17 | 57 | 0.77±0.15 †,‡ | ... | ICC not given, r2 = 0.85 | 0.10±0.10 |
CAPS19 | 50 | 0.73±0.16 | ... | 0.97 | 0.11±0.08 |
* Missing values if IMT sites were imputed; IMT values were adjusted according to reader differences. All statistics are the authors' own calculations on the ARIC dataset.
† Ascertained by contacting the corresponding author directly.
‡ Only right side was examined.
∫ Only 1 observer.