Table 2.

Predictor variables associated with tumor progression

Variable	HR	95% CI	p value
Treatment before [18F]FDG PET/CT (yes vs no)	1.66	0.78–3.49	0.183
Timing of [18F]FDG PET/CT (diagnosis vs progression)	1.69	0.81–3.54	0.163
Primary tumor site (pancreas vs GI)	1.34	0.64–2.77	0.43
Metastatic (Yes vs No)	1.87	0.87–4.01	0.108
Gender (male vs female)	1.59	0.72–3.51	0.245
68Ga-PET finding (positive vs negative)	0.94	0.22–3.99	0.933
[18F]FDG PET/CT (positive vs negative)	2.17	1.01–4.69	0.04

[¹⁸F]FDG PET/CT positron emission tomography/computed tomography with 18F-fluorodeoxyglucose; ⁶⁸Ga PET 68-Ga somatostatin receptor PET/CT