| Kappa statistics | Interpretation |
| <0.00 | Poor agreement |
| 0.01 - 0.20 | Slight agreement |
| 0.21 - 0.40 | Fair agreement |
| 0.41 - 0.60 | Moderate agreement |
| 0.61 - 0.80 | Substantial agreement |
| 0.81 - 1.00 | Almost perfect agreement |