Table 3: Agreement between OCT and histological findings.

FeatureOCT ( )Histology ( )ICC* (95% CI)

Average FCT (mm) 0.656 (0.22–0.879)0.0034
Average lipid arc (°) 0.882 (0.61–0.964)<0.0001
LA (mm2) 0.04 (−0.029 to 0.226)0.2525

*The intraclass correlation coefficient (ICC) was used to evaluate the agreement between OCT and histological findings.
# indicates the agreement between OCT and histological findings.
CI: confidence interval; FCT: fibrous cap thickness; LA: lumen area.