This study was a retrospective study. The investigators intended to review the preoperative paraspinal muscle imaging data of patients with lumbar spinal stenosis and degenerative scoliosis treated in hospital, and follow up the symptoms, quality of life and surgical complications at 1 year and at the last follow-up. The aims were: (1) to explore the correlation between paraspinal muscle imaging parameters and clinical outcomes; (2) based on the postoperative functional scores and the presence of complications, to explore the best combination of imaging parameters for predictive value of prognosis; (3) to evaluate the consistency between different measurement methods, and improve the standardized paraspinal muscle imaging assessment; (4) Combining the characteristics of individual bone mass and paravertebral muscle (functional and imaging assessment), to explore the correlation between bone loss and paravertebral muscle degeneration; (5) to explore a muscle-bone mass assessment system that could reflect the prognosis of patients.
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Disability
Timeframe: 12 months; through study completion, an average of 3 years
Low Back pain
Timeframe: 12 months; through study completion, an average of 3 years
Leg pain
Timeframe: 12 months; through study completion, an average of 3 years
Sagittal balance
Timeframe: 12 months; through study completion, an average of 3 years
Bone nonunion
Timeframe: 12 months; through study completion, an average of 3 years
Screw loosening
Timeframe: 12 months; through study completion, an average of 3 years
Proximal junctional kyphosis
Timeframe: 12 months; through study completion, an average of 3 years
Proximal scoliosis progression
Timeframe: 12 months; through study completion, an average of 3 years