Table 2.

Summary of univariate Kaplan-Meier analysis for PFS for the most significant CT and PET imaging parameters using the median value as the cut-off.

Imaging	Median cut-off (direction indicates poor prognosis)	Median survival in months (number of patients)		Kaplan-Meier p-value	Benjamini-Hochberg corrected p-value
		Below threshold	Above threshold
CT-TA
Kurtosis SSF 6	>0.29	35 (29)	14 (15)	0.049	0.05
PET-TA (no filter)
Entropy	>3.79	39 (22)	12 (22)	0.0088	0.01
Skewness	<0.95	16 (37)	58 (7)	0.008	0.03
PET conventional analysis
PET 68Ga-DOTATATE-uptake tumor area	>52.5 pixels	39 (22)	14 (22)	0.016	0.02
Clinical parameters
Lung metastases	>1	35 (29)	14 (15)	0.026	0.04