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Sensitivity, specificity, overall accuracy, PPV, and NPV of 18F-FDG PET/CT and whole-body DWIBS for detecting lymph node metastasis from pediatric neuroblastoma
| Parameter | FDG-PET | DWIBS | P value |
|---|---|---|---|
| Sensitivity (%) | 19/19 (100) | 18/19 (94.7) | ns |
| Specificity (%) | 74/75 (98.7) | 64/75 (85.3) | < 0.01 |
| Accuracy (%) | 93/94 (98.9) | 82/94 (87.2) | < 0.01 |
| PPV (%)a | 19/20 (95.0) | 18/29 (62.1) | < 0.01 |
| NPV (%)b | 74/74 (100) | 64/65 (98.4) | ns |
ns Not significant
aPositive predictive value
bNegative predictive value
