OBJECTIVE There is a scarcity of large multicenter data on how preoperative lumbar symptom
duration relates to postoperative patient-reported outcomes (PROs). The objective of this …

BACKGROUND Predicting survival of patients with spinal metastases would help stratify
treatments from aggressive to palliation. OBJECTIVE To evaluate whether sarcopenia predicts …

BACKGROUND Preoperative hemoglobin A1c (HbA1c) is a useful screening tool since a
significant portion of diabetic patients in the United States are undiagnosed and the prevalence …

OBJECTIVE The Michigan Spine Surgery Improvement Collaborative (MSSIC) is a prospective,
longitudinal, multicenter, quality-improvement collaborative. Using MSSIC, the authors …

OBJECTIVE Most studies on racial disparities in spine surgery lack data granularity to
control for both comorbidities and self-assessment metrics. Analyses from large, multicenter …

OBJECTIVE To determine the association between preoperative opioid usage and
postoperative adverse events, patient satisfaction, return to work, and improvement in Oswestry …

OBJECTIVE The presence of depression and anxiety has been associated with negative
outcomes in spine surgery patients. While it seems evident that a history of depression or …

Background The Michigan Spine Surgery Improvement Collaborative is a statewide multicenter
quality improvement registry. Because missing data can affect registry results, we used …

OBJECTIVE Patient-perceived functional improvement is a core metric in lumbar surgery for
degenerative disease. It is important to identify both modifiable and nonmodifiable risk …

OBJECTIVE Despite a general consensus regarding the administration of preoperative
antibiotics, poorly defined comparison groups and underpowered studies prevent clear …