Official Journal of the Italian Society of Orthopaedics and Traumatology
Classification system | Observer | % agreement | Kappa (95% CI) | Judgement |
---|---|---|---|---|
Neer | Observer 1 | 87.1 | 0.801 (0.71–0.891) | Almost perfect agreement |
Observer 2 | 87.9 | 0.831 (0.75–0.912) | Almost perfect agreement | |
Observer 3 | 95.7 | 0.941(0.891–0.991) | Almost perfect agreement | |
Mean | 90.2 | 0.857 (0.71–0.991) | Almost perfect agreement | |
AO/OTA 2007 | Observer 1 | 63.8 | 0.597 (0.446–0.638) | Moderate agreement |
Observer 2 | 63.8 | 0.602 (0.508–0.696) | Substantial agreement | |
Observer 3 | 57.8 | 0.542 (0.446–0.638) | Moderate agreement | |
Mean | 61.8 | 0.580 (0.446–0696) | Moderate agreement | |
AO/OTA 2018 | Observer 1 | 81.9 | 0.770 (0.681–0.858) | Substantial agreement |
Observer 2 | 76.7 | 0.718 (0.627–0.809) | Substantial agreement | |
Observer 3 | 81 | 0.767 (0.681–0.852) | Substantial agreement | |
Mean | 79.9 | 0.751 (0.627–0.858) | Substantial agreement | |
AO/OTA 2018 (with universal modifiers and qualifications) | Observer 1 | 79.3 | 0.770 (0.688–0.852) | Substantial agreement |
Observer 2 | 75.9 | 0.724 (0.641–0.815) | Substantial agreement | |
Observer 3 | 80.2 | 0.777(0.696–0.858) | Substantial agreement | |
Mean | 78.5 | 0.752 (0.641–0.858) | Substantial agreement |