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Study Design: A retrospective cohort study. Purpose: The aim of this study was to determine any correlations between spinopelvic configuration and progressive collapse following acute osteoporotic compression spine fractures. Overview of Literature: Few studies have investigated the risk factors for progressive osteoporotic compression spine fractures. However, the correlation between the spinopelvic configuration, which is a crucial to optimize the management of lumbar degenerative diseases, and progressive collapse following acute osteoporotic compression spine fractures was not analyzed. Methods: We retrospectively identified all patients treated for thoracolumbar fractures in Assaf Harofe Medical Center between January 2008 and July 2013. Pelvic incidence (PI), sacral slope (SS), and pelvic tilt (PT) were measured for the pelvic parameters. For each patient, we classified the fracture according to the AOSpine Thoracolumbar Spine Injury Classification System. Height loss was measured initially and at a minimum of 3-month follow-up. The difference between initial and final height loss was documented as height loss difference. Results: The study included 124 patients comprised 86 women and 38 men. The mean patient age was 69±9.6 years. The mean length of follow-up was 14±15 months. No significant effect of the PI, PT, and SS angles on the vertebral fracture level (p >0.05) was found. Similarly, no significant relationship between the PI, PT, and SS angle and the fracture type according to the AO classification (p >0.05) was found. There was no correlation between PI, PT, and SS angles and initial height loss, final height loss and height loss difference (p> 0.05) Conclusions: The spinopelvic configuration represented by the PI, PT, and SS angle does not influence progressive collapse following acute osteoporotic compression spine fractures. [ABSTRACT FROM AUTHOR]