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Strong Correlation Between the Vertebral Bone Quality Score and the Cervical-Vertebral Bone Quality Score in Spine
Cathleen C Kuo1, Mohamed A R Soliman2, Alexander O Aguirre1
1Jacobs School of Medicine and Biomedical Sciences at University at Buffalo, Buffalo, New York, USA.
Objective:
Osteoporosis is a burgeoning public health problem for over 44 million people in the United States. The magnetic resonance imaging-based vertebral bone quality (VBQ) score and cervical VBQ (C-VBQ) score are two novel approaches that use data routinely gathered during preoperative evaluation to assess bone quality. The goal of this study was to investigate the relationship between the VBQ and C-VBQ scores.
Methods:
We performed a retrospective review of chart data for patients who underwent spine surgery for degenerative conditions between 2015 and 2022. Patients eligible for study inclusion had preoperative T1-weighted magnetic resonance imaging of the lumbar and cervical spine available for review. Demographics of each patient were collected. The VBQ score was determined by dividing the median signal intensity (SI) of the L1-L4 vertebral bodies by the SI of the cerebrospinal fluid at L3. The C-VBQ score was calculated by dividing the median SI of the C3-C6 vertebral bodies by the SI of the C2 cerebrospinal fluid space. Pearson's correlation test was utilized to evaluate the association between the scores.
Results:
We identified 171 patients, with a mean age of 57.44 ± 11.79 years. The interrater reliability of the VBQ and C-VBQ measurements was excellent (intraclass correlation-coefficients were 0.89 and 0.84, respectively). A statistically significant, positive correlation was found between the VBQ score and the C-VBQ score (r = 0.757,P < 0.001).
Conclusions:
This is the first study, to our knowledge, to assess the degree to which the newly developed C-VBQ score correlates with the VBQ score. We found a strong positive correlation between the scores.
