Table 5. Inter-reader agreement of 3D multi-contrast imaging in identifying plaque components.
Feature | Reader 1† | Reader 2† | Cohen κ (95% CI) |
---|---|---|---|
LRNC | 80.77 (21/26) | 84.61 (22/26) | 0.87 (0.61–1.00) |
CA | 38.46 (10/26) | 30.77 (8/26) | 0.66 (0.36–0.96) |
IPH | 26.92 (7/26) | 26.92 (7/26) | 1.00 (1.00–1.00) |
†Data are percentages, with numbers used to calculate the percentages in parentheses. LRNC, lipid-rich necrotic core; CA, calcification; IPH, intraplaque hemorrhage; CI, confidence interval.