Table 3

Median κ values for intra-observer agreement (reproducibility) and median weighted κ values between paired clinicians for estimates of the probability of malignancy

Clinical onlyClinical + CTClinical + CT + FNB
*p = 0.004, †p<0.001 (Wilcoxon test).
Median κ values for intra-observer agreement
Decision0.79 (0.5–1.0)0.79 (0.33–1.0)0.87 (0.65–1.0)
p value (malignancy)0.82 (0.6–1.0)0.82 (0.62–1.0)0.89 (0.64–1.0)
Median weighted κ values between paired clinicians for estimates of probability of malignancy
Median0.56*0.70* †0.90 †
Range0.50–0.660.53–0.740.81–0.94