Table 3 Cohen Kappa’s coefficient for inter-rater agreement between USG-guided FNAC findings and histopathological findings according to different sizes of nodules
From: Diagnostic efficacy of ultrasonography-guided fine needle aspiration cytology on thyroid swellings
Size | Kappa’s coefficient | p-value | Interpretation |
|---|---|---|---|
Overall | 0.607 | 0.000 | Good agreement |
< 2 cm | 0.328 | 0.086 | Fair agreement |
2–4 cm | 0.588 | 0.000 | Moderate agreement |
> 4 cm | 1 | 0.14 | Almost perfect agreement |