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. 2011 Oct;32(9):1624–1631. doi: 10.3174/ajnr.A2588

Table 1:

Structural abnormality compared by age for 91 data base patients with low back pain and type 1 pedicle marrow changes

Age <30 yr Age 30–50 yr Age ≥50 yr
No. with type 1 changes 27 17 47
Sex (M/F) 24/3 3/14 16/31
Diagnosis
Fracture, pars 17 1 5
Fracture, pedicles 5 1 1
Degenerative facet disease 0 15 41
No definitive diagnosis 5