Distribution of degeneration grades and annular tears
| Degeneration Grade | |||||
|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | |
| Disks with no annular tears (n = 62) | 27 (0.00%) | 32 (79.45%) | 3 (20.54%) | 0 (0.00%) | 0 (0.00%) |
| Disks with nonradial tears (n = 38) | 12 (31.58%) | 22 (57.89%) | 4 (10.53%) | 0 (0.00%) | 0 (0.00%) |
| Disks with radial tears (n = 56) | 0 (0.00%) | 14 (25.00%) | 18 (32.14%) | 21 (37.50%) | 3 (5.36%) |
| Total (N = 156) | 39 | 68 | 25 | 21 | 3 |