| Sinus | Blinded | Consensus Reading | Sensitivity (95% CI) | Specificity (95% CI) | |||
| Cord sign | TP | FP | TN | FN | |||
| SSS | 12 | 12 | 0 | 85 | 13 | 48 (27.8 - 68.7) | 100 (95.8 - 100) |
| ISS | 0 | - | 0 | 110 | - | - | - |
| LTS | 4 | 4 | 0 | 99 | 7 | 36.4 (10.9 - 69.2) | 100 (96.3 - 100) |
| RTS | 4 | 4 | 0 | 98 | 8 | 33.3 (9.9 - 65.1) | 100 (96.3 - 100) |
| LSS | 2 | 2 | 0 | 103 | 5 | 28.6 (3.6 - 71) | 100 (96.3 - 100) |
| RSS | 1 | 1 | 0 | 104 | 5 | 16.7 (0.4 - 64.1) | 100 (96.5 - 100) |
| Cortical | 9 | 9 | 1 | 97 | 3 | 81.8 (42.8 - 94.5) | 98.9 (96.3 - 100) |
| Total | 32 | 32 | 2 | 695 | 41 | 43.8 | 99.7 (95.9 - 100) |