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Study Design.

Retrospective cohort study of 13,927 patients, 820 of whom received iliac crest bone graft (ICBG).

Objective.

To compare adverse events, length of stay (LOS), and readmission for patients receiving ICBG with those who did not using multivariate analysis to control for potentially confounding factors.

Summary of Background Data.

The use of ICBG in spinal fusion has been associated with increased surgical time, LOS, and donor site morbidity. Development of expensive bone graft substitutes has been predicated on these issues. Data on the effect of bone graft harvest on LOS and readmission rate are sparse, and multivariate analysis has not been used to control for confounding factors.

Methods.

Prospectively collected data from the American College of Surgeons National Surgical Quality Improvement Project 2010–2012 database were retrospectively reviewed. This includes demographics …