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The relationship between the proximal bulging type and nerve root compression in the subarticular zone (Pearson χ2=25.388, p<0.01)
| No. of non-compression sites | No. of compression sites | Total | |
|---|---|---|---|
| Non-proximal bulging | 68 | 18 | 86 |
| Proximal bulging | 5 | 17 | 22 |
| Total | 73 | 35 | 108 |
