Distribution of degeneration grades and annular tears on initial MR imaging
| Degeneration Grade | |||||
|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | |
| Disks with no annular tears (n = 73) | 0 (0.00%) | 58 (79.45%) | 15 (20.54%) | 0 (0.00%) | 0 (0.00%) |
| Disks with annular tears (n = 203) | 0 (0.00%) | 45 (22.17%) | 90 (44.22%) | 42 (20.69%) | 26 (12.81%) |
| 0 | 103 | 105 | 42 | 26 | |