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| characteristics | Number of cases |
|---|---|
| Modic changes | |
| type | |
| none | 52 |
| 1 | 7 |
| 2 | 17 |
| 3 | 2 |
| Location | |
| anterior | 4 |
| middle | 5 |
| posterior | 3 |
| anterior + middle | 4 |
| middle + posterior | 5 |
| three areas | 5 |
| Disk degeneration | |
| Grade 2 | 17 |
| Grade 3 | 23 |
| Grade 4 | 28 |
| Grade 5 | 10 |
| High intensity zone | 6 |
| Vertebral corner defect | 7 |
| Cartilaginous endplate* | |
| < 25% | 20 |
| 25%–50% | 9 |
| ≥50% | 3 |
| inflamed granulation tissue | 60 |
*The percentage of the area occupied by cartilaginous endplate.
