Table 2 Interobserver agreement in the pathologic assignment of OPV.
Pathologic assignment of OPV | 1st-phase interobserver agreement | 2nd-phase interobserver agreement | ||
|---|---|---|---|---|
κ | Interpretation | κ | Interpretation | |
Positive | 0.21 | Fair | 0.43 | Moderate |
Indeterminate | −0.02 | Poor | 0.10 | Slight |
Negative | 0.19 | Slight | 0.37 | Fair |
Overall | 0.15 | Slight | 0.35 | Fair |
