Table 2.
Assessment of disc position in MRI at T2 and intraclass correlation coefficient (ICC) value of the interexaminer consistency
| T2 | Examiner 2 |
||||
|---|---|---|---|---|---|
| Normal | Mild | Moderate | Severe | ||
| Examiner 1 | Normal | 5 | 2 | 1 | 3 |
| Mild | 2 | 1 | 0 | 0 | |
| Moderate | 0 | 1 | 0 | 0 | |
| Severe | 0 | 4 | 0 | 1 | |
| T2 | Examiner 3 |
||||
|---|---|---|---|---|---|
| Normal | Mild | Moderate | Severe | ||
| Examiner 1 | Normal | 1 | 5 | 2 | 3 |
| Mild | 0 | 1 | 1 | 1 | |
| Moderate | 0 | 0 | 1 | 0 | |
| Severe | 0 | 0 | 0 | 5 | |
| T2 | Examiner 3 |
||||
|---|---|---|---|---|---|
| Normal | Mild | Moderate | Severe | ||
| Examiner 2 | Normal | 1 | 3 | 3 | 0 |
| Mild | 0 | 2 | 1 | 5 | |
| Moderate | 0 | 1 | 0 | 0 | |
| Severe | 0 | 0 | 0 | 4 | |
Interexaminer agreement between three examiners: ICC, 56% (14–80%).
Intraexaminer agreement—Examiner 1 (two times): ICC, 88% (70–95%); Examiner 2 (two times): ICC, 80% (50–92%); Examiner 3 (five times): ICC, 97% (94–98%).