Table 5.
Interobserver agreement (Kappa) among WHO HPVA subcategories
H&E only* | H&E + IHC* | |
---|---|---|
Usual | 0.36 (0.31–0.41) | 0.38 (0.33–0.43) |
Villoglandular | 0.22 (0.17–0.27) | 0.22 (0.17–0.27) |
Mucinous NOS | 0.13 (0.1–0.18) | 0.14 (0.09–0.19) |
Intestinal | 0.32 (0.27–0.37) | 0.29 (0.24–0.34) |
Signet ring cell | 0.08 (0.03–0.13) | 0.08 (0.03–0.13) |
Stratified mucin producing | 0.28 (0.23–0.33) | 0.26 (0.21–0.31) |
Mean (95% confidence interval)