Diagnostic performance, clinical and PET metrics, and anthropometric parameters measured on 18FDG PET/CT for 5-year overall survival using an ROC analysis
Whole population | NSCLC | Melanoma | |||||||
Cut-offs | AUC | P value | Cut-offs | AUC | P value | Cut-offs | AUC | P value | |
Age at diagnosis | NA | NA | 0.74 | NA | NA | 0.92 | NA | NA | 0.51 |
BMI | 25.0 | 0.61 | 0.004 | 26.83 | 0.78 | 0.002 | NA | NA | 0.57 |
FBM | 5.26 | 0.62 | 0.002 | 6.30 | 0.70 | 0.02 | NA | NA | 0.41 |
SFM | 3.95 | 0.61 | 0.006 | 5.22 | 0.68 | 0.03 | NA | NA | 0.56 |
VFM | 0.91 | 0.64 | <0.001 | 0.91 | 0.73 | 0.009 | NA | NA | 0.06 |
MBM | 5.85 | 0.70 | <0.001 | 6.86 | 0.82 | <0.001 | 5.85 | 0.60 | 0.01 |
LBM | NA | NA | 0.09 | 20.53 | 0.79 | 0.002 | NA | NA | 0.59 |
AUC, area under the curve; BMI, body mass index; FBM, fat body mass; 18FDG, 18-Fluorodeoxyglucose; 18FDG, 18F-Fluorodesoxyglucose; LBM, lean body mass; MBM, muscle body mass; NA, not available; NSCLC, non-squamous cell lung cancer; PET, positron emission tomography; ROC, receiver operator characteristics ; SFM, subcutaneous fat mass; VFM, visceral fat mass.