Equation 1 | Equation 2 | |
---|---|---|
Intra-class correlationsa | ||
Coefficient (95% CI) | 0.63 (0.55–0.70) | 0.63 (0.55–0.70) |
P value | < 0.001 | < 0.001 |
ROC analysesb | ||
Area under curve (95% CI) | 0.85 (0.80–0.90) | 0.84 (0.79–0.89) |
P value | < 0.001 | < 0.001 |
Concordance testc | ||
κ coefficient | 0.50 | 0.49 |
Overall proportion of agreement | 78.98% | 78.98% |
Bland–Altman analyses | ||
Mean difference | − 0.02 | − 0.02 |
Limits of agreement | − 14.73 to 14.68 | − 14.80 to 14.76 |