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. 2023 Sep 7;11(9):e007315. doi: 10.1136/jitc-2023-007315

Table 3.

Univariate and multivariate Cox analysis using continuous values for clinical and significant PET metrics and anthropometric parameters measured on 18FDG PET/CT

Whole population NSCLC Melanoma
Univariate Cox analysis
HR P value HR P value HR P value
Age 1.00 0.80 1.00 0.74 1.00 0.82
Sex 1.12 0.22 0.99 0.95 1.09 0.55
Cerebral-meningeal metastasis 1.25 0.02 1.01 0.96 1.56 0.002
BMI 0.96 0.0003 0.94 8×10–05 1.00 0.75
Weight loss 1.07 9×10–05 1.07 0.002 1.07 0.049
FBM 0.95 8×10–05 0.92 0.0001 0.99 0.74
SFM 0.94 0.0002 0.91 0.0003 0.99 0.81
VFM 0.79 0.0006 0.71 0.0005 0.94 0.53
MBM 0.82 3×10–10 0.80 1×10–6 0.89 0.01
LBM 0.99 0.44 0.94 0.02 1.02 0.38
Multivariate stepwise Cox analysis
Cerebral-meningeal metastasis 1.21 0.053 NA NA 1.50 0.004
BMI 1.03 0.10 NA NA 1.03 0.06
Weight loss 1.07 0.0003 1.06 0.004 1.06 0.10
FBM NA NA NA NA NA NA
SFM 0.93 0.013 0.94 0.02 NA NA
VFM NA NA NA NA NA NA
MBM 0.81 3×10–08 0.83 0.0002 0.90 0.02

BMI, body mass index; FBM, fat body mass; 18FDG, 18F-fluorodesoxyglucose; LBM, lean body mass; MBM, muscle body mass; MTV, metabolic tumor volume; NA, not available; NSCLC, non-small cell lung cancer; PET, positron emission tomography; SFM, subcutaneous fat mass; VFM, visceral fat mass.