Total number of cases |
146 patients with lumbar disc degeneration |
Ethnicity |
Norwegian |
Gender
(Males/Females) |
68/78 |
Age (8 year
follow up), years |
Range:
30-76, Mean [SD]: 53.2 [8.8] |
Age of
Onset, years |
Range:
10-61, Mean [SD]: 32.9 [10.3] |
Duration of
pain (baseline), months |
Range:
10-480, Mean [SD]: 128.8 [103.04] |
Smokers/non-smokers/unknown |
68/69/9 |
Surgical
status (None/discectomy/lumbar fusion) |
27/46/73 |
History of
back pain in first degree relatives, with no treatment/conservative
treatment/surgery/unknown |
19/82/40/5 |