Inter- and intrarater variance of the scores with 95% confidence intervals (CI), intraclass correlation coefficients (ICC), and smallest detectable differences (SDDs)
| Interrater variance | 95% CI | Intrarater variance | 95% CI | Variance between patients | ICC | SDD | |
|---|---|---|---|---|---|---|---|
| CS, cervical spine; TS, thoracic spine; LS, lumbar spine. | |||||||
| ASspiMRI-a (Gd-DTPA) | |||||||
| CS | 1.47 | 1.09 to 2.11 | 1.07 | 0.79 to 1.53 | 4.85 | 0.776 | 1.9 |
| TS | 8.96 | 6.61 to 12.83 | 4.20 | 3.10 to 6.01 | 58.67 | 0.882 | 3.7 |
| LS | 1.84 | 1.35 to 2.65 | 0.83 | 0.61 to 1.20 | 15.16 | 0.905 | 1.7 |
| Spine (all 3 Segments) | 13.16 | 9.63 to 19.05 | 6.71 | 4.91 to 9.71 | 120.68 | 0.914 | 4.7 |
| ASspiMRI-a (STIR) | |||||||
| CS | 1.62 | 1.19 to 2.31 | 1.08 | 0.80 to 1.54 | 5.88 | 0.795 | 1.9 |
| TS | 8.56 | 6.31 to 12.30 | 5.14 | 3.78 to 7.38 | 62.34 | 0.875 | 4.1 |
| LS | 2.62 | 1.93 to 3.78 | 1.32 | 0.97 to 1.89 | 4.93 | 0.651 | 2.1 |
| Spine (all 3 Segments) | 19.04 | 13.97 to 27.49 | 9.41 | 6.90 to 13.58 | 109.29 | 0.858 | 5.6 |