Grades: exact agreement 47.5%; Cohen's kappa 0.343 (approximate 95% CI 0.149 to 0.536)
Grades: quadratic-weighted kappa 0.868; mean difference (B - A) 0.42 grades
Grades: Spearman correlation 0.925
Lesion area: ratio B/A 1.146 (95% limits of agreement 0.904 to 1.454, on the log scale)
Lesion area: Pearson r 0.976; mean difference (B - A) 0.298 mm2
Lesion area: ICC consistency, single rater, ICC(3,1) = 0.974 (95% CI 0.951 to 0.986)
Lesion area: ICC absolute agreement, single rater, ICC(2,1) = 0.951 (95% CI 0.693 to 0.984)