Table 1.
Correlation between presence of a HIZ and grade of anular disruption
| Grading | With HIZ | Without HIZ | Total |
|---|---|---|---|
| 0 | 0 | 36 | 36 |
| 1 | 0 | 57 | 57 |
| 2 | 2 | 8 | 10 |
| 3 | 15 | 24 | 39 |
| Total | 17 | 125 | 142 |
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