Fleiss κ between observers and majority vote
| Observer 1 | Observer 2 | Observer 3 | Majority vote | |
| Observer 1 | X | |||
| Observer 2 | 0.85 (0.79 to 0.90) | X | ||
| Observer 3 | 0.90 (0.85 to 0.94) | 0.88 (0.82 to 0.93) | X | |
| Majority vote | 0.93 (0.87 to 0.97) | 0.93 (0.88 to 0.96) | 0.96 (0.92 to 0.99) | X |