| Sinus | Blinded | Consensus reading | Interobserver agreement | Sensitivity (95% CI) | Specitivity (95% CI) | |||
| Cord sign | tp | fp | tn | fn | ||||
| SSS | 27 | 22 | 5 | 165 | 28 | 0.62 | 44 | 97 |
| ISS | 0 | 0 | 0 | 220 | 0 | - | - | - |
| LTS | 9 | 7 | 2 | 196 | 15 | 0.65 | 31.8 | 98.9 |
| RTS | 12 | 7 | 5 | 181 | 17 | 0.47 | 29.1 | 97.3 |
| LSS | 5 | 4 | 1 | 205 | 10 | 0.79 | 28.6 | 99.5 |
| RSS | 4 | 2 | 2 | 206 | 10 | 0.49 | 16.7 | 99.0 |
| cortical | 18 | 17 | 1 | 195 | 7 | 0.51 | 70.8 | 99.5 |
| total | 75 | 59 | 16 | 1368 | 87 | 0.59 | 40.4 | 98.84 |