Table 4 Inter-rater agreements of decisions for each section
Criterion | Kappa | 95% CI | Overall agreement (%) |
|---|---|---|---|
Medial bone-on-bone | 0.89 | 0.75–1.00 | 94.7 |
Functionally intact ACL | 0.47 | 0.26–0.67 | 77.3 |
Full-thickness lateral cartilage | 0.68 | 0.52–0.85 | 84.2 |
Functionally normal MCL | 0.58 | 0.40–0.77 | 79.2 |
Acceptable patello-femoral joint | 0.69 | 0.51–0.86 | 84.3 |
Overall PKR indication | 0.51 | 0.31–0.70 | 75.3 |