BioMed Research International / 2017 / Article / Tab 2

Research Article

Metabolic Tumor Volume by 18F-FDG PET/CT Can Predict the Clinical Outcome of Primary Malignant Spine/Spinal Tumors

Table 2

Factors affecting progression-free survival in the univariate and multivariate analyses.

FactorCut-off valueUnivariateMultivariate
valueHR95% CI value

MTV45 ml0.0414.61.78–3330.01
TLG150 SUVml0.12
Size5 cm0.052.970.69–11.80.14
SurgeryYes0.78
Surgery with wide marginYes0.42
ChemotherapyYes0.031.670.50–5.690.40
RadiotherapyYes0.36

HR: hazard risk. 95% CI: 95% confidence interval. Progression-free survival was negatively associated with the administration of chemotherapy (), which may indicate the aggressiveness of the tumors of the patients who had chemotherapy.

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