Table 2.
Grading of disc degeneration on plain radiograph
| Grade | Disc space narrowing | Osteophyte | Endplate sclerosis |
|---|---|---|---|
| I | - | - | - |
| II | + | - | - |
| III | ± | + | - |
| IV | ± | ± | + |
‘+’ indicates present; ‘-’, absence; ‘±’, either present or absent.
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