Table 2.
Intra-rater, inter-rater, and inter-analyst reliability statistics for EI
| RF50 |
RF70 |
|||||
|---|---|---|---|---|---|---|
| Intra-rater | Inter-rater | Inter-analyst | Intra-rater | Inter-rater | Inter-analyst | |
| ICC | 0.89 | 0.89 | 0.98 | 0.94 | 0.90 | 0.99 |
| CI95% | 0.78–0.94 | 0.82–0.94 | 0.97–0.99 | 0.89–0.97 | 0.82–0.94 | 0.98–0.99 |
| SEM (AU) | 3.97 | 3.95 | 1.54 | 3.01 | 3.87 | 1.21 |
| SEM (%) | 6.49 | 6.47 | 2.52 | 5.18 | 6.84 | 2.14 |
| MD (AU) | 10.98 | 10.96 | 4.26 | 8.37 | 10.75 | 3.36 |
| MD (%) | 17.94 | 17.97 | 6.98 | 14.37 | 18.95 | 5.92 |
ICC: intra-class coefficient correlation; 95% CI: 95% confidence interval for ICC; SEM (a.u.): standard error of measurement expressed in arbitrary units; SEM (%): standard error of measurement expressed as a percentage of the grand mean; MD (a.u.): minimum difference needed to be considered real expressed in arbitrary units; MD (%): minimum difference needed to be considered real expressed as a percentage of the grand mean.