Transpedicular lower vertebral space osteotomy for thoracolumbar kyphosis secondary to old osteoporotic vertebral compression fractures.

Both methods achieved satisfactory radiographic correction and clinical improvement; however, transpedicular lower vertebral space osteotomy was associated with a significantly shorter operative time and less blood loss, while the overall complication rate was numerically lower but did not reach statistical significance in this small cohort (Fisher's exact test, P = 0.090).

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