Table 1: The interrater reliability for diagnosis and each of the categorical variables of stranding, nodularity, and size.

MeasureKappa estimate95% CIRaw proportion of matching responses

Diagnosis 0.63(0.61, 0.65)0.82
Stranding0.17(0.14, 0.19)0.76
Nodularity0.41(0.39, 0.43)0.72
Size0.11(0.09, 0.13)0.68