Table 2 The sensitivity, specificity, PPV, and NPV of preoperative examinations in identifying residual cervical lymphadenopathy in patients with NPC
Examination | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) |
|---|---|---|---|---|
FNAC | 84.2 | 100.0 | 100.0 | 40.0 |
EBV DNA detection | 52.9 | 100.0 | 100.0 | 30.4 |
FNAC + EBV DNA detection | 89.5 | 100.0 | 100.0 | 40.0 |