Table 4.
Assessment of disc position in MRI-CBCT at T2 and intraclass correlation coefficient (ICC) value of the inter-examiner consistency
| T2 | Examiner 2 |
||||
|---|---|---|---|---|---|
| Normal | Mild | Moderate | Severe | ||
| Examiner 1 | Normal | 1 | 5 | 1 | 2 |
| Mild | 0 | 3 | 1 | 1 | |
| Moderate | 0 | 0 | 0 | 0 | |
| Severe | 0 | 0 | 1 | 5 | |
| T2 | Examiner 3 |
||||
|---|---|---|---|---|---|
| Normal | Mild | Moderate | Severe | ||
| Examiner 1 | Normal | 2 | 5 | 0 | 2 |
| Mild | 1 | 2 | 0 | 2 | |
| Moderate | 0 | 0 | 0 | 0 | |
| Severe | 0 | 0 | 0 | 6 | |
| T2 | Examiner 3 |
||||
|---|---|---|---|---|---|
| Normal | Mild | Moderate | Severe | ||
| Examiner 2 | Normal | 1 | 0 | 0 | 0 |
| Mild | 2 | 6 | 0 | 0 | |
| Moderate | 0 | 1 | 0 | 2 | |
| Severe | 0 | 0 | 0 | 8 | |
Interexaminer agreement between three examiners: 84% (62–93%).
Intraexaminer agreement—Examiner 1 (two times): ICC, 91% (80–97%); Examiner 2 (two times): ICC, 96% (89–98%); Examiner 3 (five times): ICC, 98% (97–99%).