Table 1.

¹¹¹In-Pentetreotide SPECT/CT and CIP in 104 patients with GEP neuroendocrine non-functioning tumors, 74 in follow-up (FU) and 30 in the phase of initial diagnosis and staging (IDS)

	CIP	SPECT/CT
True positive	50	64
True negative	34	34
False negative	20	6
False positive	0	0
Sensitivity %	71.4	91.4
Specificity %	100	100
Positive predictive value %	100	100
Negative predictive value %	63	85
Accuracy %	80.8	94.2