Diagnostic Rates for Detection of Malignant Lung Lesions and Regional Lymph Nodes
| Cancer type | Prevalence | Sensitivity | Specificity | Accuracy | PPV | NPV |
|---|---|---|---|---|---|---|
| Primary lung lesion (n = 84)* | 62 | |||||
| gPET | 98 (90–100) | 56 (38–74) | 82 | 78 | 95 | |
| dPET | 100 (93–100) | 50 (32–68) | 81 | 76 | 100 | |
| Regional lymph nodes (n = 67)* | 27 | |||||
| gPET | 61 (36–83) | 90 (78–97) | 82 | 69 | 86 | |
| dPET | 78 (52–94) | 84 (70–93) | 82 | 64 | 91 |
↵* No. of evaluable patients. No statistically significant differences were found between the 2 PET modalities (McNemar test).
PPV = positive predictive value; NPV = negative predictive value.
Values are % (95% confidence intervals).