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Overall comparison of disc internal derangement in ‘progressive-onset' vs. injury-related subgroups
| Subgroup | Features of Disc Internal Derangement | Total # Disks (%) |
|
|---|---|---|---|
| Degenerative change only # Discs (%) |
Radial Defect # Discs (%) |
||
| Progressive-onset | 28 (53.8%) | 24 (46.2%) | 52 (100%) |
| Injury-related | 54 (46.4%) | 66 (53.6%) | 120 (100%) |
| Total | 82 (47.7%) | 90 (52.3%) | 172 (100%) |
