Table 3.
Diagnostic parameters, false and true findings of different imaging modalities according to patient-based analysis
| Type of the Procedure |
Results
|
Sensitivity | Specificity | PPV | NPV | Accuracy | |||
|---|---|---|---|---|---|---|---|---|---|
| TP | TN | FP | FN | ||||||
| 99mTc-Octreotide SPECT/CT | 13 (52%) | 4 (16%) | 1 (4%) | 7 (28%) | 65.0% | 80.0% | 92.8% | 36.4% | 68.0% |
| 68Ga-DOTATATE PET/CT | 18 (72%) | 4 (16%) | 1 (4%) | 2 (8%) | 90.0% | 80.0% | 94.7% | 66.7% | 88.0% |
| CT/MRI | 15 (60%) | 3 (12%) | 1 (4%) | 6 (24%) | 71.4% | 75.0% | 93.7% | 33.3% | 72.0% |
TP: True Positive; TN: True Negative; FP: False Positive; FN: False Negative; PPV: Positive Predictive Value; NPV: Negative Predictive Value