Ostoporosis
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Selection Criteria 1 Patients aged 20-44 years at the time of lumbar CT imaging. Patients with CT scans that include the lumbar spine between L1-4. Selection Criteria 2 Patients aged 50 years or older at the time of lumbar CT imaging for lumbar disease diagnosis. Patients who underwent CT examinations including the lumbar spine between L1-L4. Patients with DXA data obtained within 6 months of the lumbar CT imaging date at the time of lumbar disease diagnosis. Patients with spinal X-rays available at the 2-year point within 6 months and 4-year point within 1 year from the lumbar CT imaging date at the time of lumbar disease diagnosis.
Exclusion criteria
Exclusion criteria: Patients suspected of having scoliosis 10 or more degrees or secondary osteoporosis such as long-term steroid use, hyperparathyroidism, hyperthyroidism, hypogonadism, Cushing syndrome, diabetes, chronic kidney disease, chronic obstructive pulmonary disease, etc. Patients who have undergone spinal fusion surgery. Patients suspected of having infection or tumor.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Calculate the reference values of bone mineral density. Compare the incidence of vertebral fractures according to the presence or absence of osteoporosis. | — |
Secondary
| Measure | Time frame |
|---|---|
| Non-vertebral fractures (proximal humerus, proximal femur, pelvis) | — |
Countries
Japan
Contacts
Osaka Metropolitan University Orthopaedic Surgery