Disk extrusion was diagnosed in 38% of the patients, 77% of the extrusions emerged at the L 4-L 5 or L 5-S1 level.
Flest brjósklos (77%) voru á liðbilunum L 4-L 5 eða L 5-S1 Úrlestur segulómmynda virtist ekki vera staðlaður.