Study Design: A retrospective cohort study.
Purpose: To determine whether the 11-item modified frailty index (mFI) is associated with readmission rates, complication rates, revision rates, or differences in patient-reported outcome measures (PROMs) for patients undergoing posterior cervical decompression and fusion (PCDF).
Overview Of Literature: mFI incorporates preexisting medical comorbidities and dependency status to determine physiological reserve.