Table 11 Weighted agreement coefficients for assessment of two radiologists for PI-RADS v2.1 scores
From: Detection of grey zones in inter-rater agreement studies
Agreement coefficient | |||
|---|---|---|---|
Weight | Cohen’s kappa | Gwet’s AC2 | Brennan-Prediger’s S |
Linear | 0.651 | 0.793 | 0.747 |
Quadratic | 0.805 | 0.916 | 0.879 |