Table 3.
111In-Pentetreotide SPECT/CT and CIP results in 104 patients with GEP neuroendocrine non-functioning tumors according WHO 2010 Classification of Tumors of the Digestive System (65 G1, 22 G2, 12 NEC, 5 MANEC)
| Patients | CIP positive | SPECT/CT positive | ||||||
|---|---|---|---|---|---|---|---|---|
|
|
||||||||
| G1 | G2 | NEC | MANEC | G1 | G2 | NEC | MANEC | |
| True positive | 29 | 12 | 6 | 3 | 38 | 17 | 5 | 4 |
| True negative | 26 | 5 | 2 | 1 | 26 | 5 | 2 | 1 |
| False negative | 10 | 5 | 4 | 1 | 1 | 0 | 5 | 0 |
| False positive | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sensitivity % | 74.4 | 70.6 | 60 | 75 | *97.4 | 100 | 50 | 100 |
| Specificity % | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Positive predictive value % | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Negative predictive value % | 72.2 | 50 | 33.3 | 50 | 96.3 | 100 | 28.6 | 100 |
| Accuracy % | 84.6 | 77.3 | 66.7 | 80 | 98.5 | 100 | 58.3 | 100 |
*
p=0.04 when compared with corresponding CIP.