Table 3.
Diagnostic characteristics of EUS-FNA for mediastinal lymphadenopathy
| n | True negative | True positive | False negative | Sensitivity (%) | Specificity (%) | NPV (%) | PPV (%) | p value | |
|---|---|---|---|---|---|---|---|---|---|
| Overall | 213 | 64 | 131 | 16a | 89 | 100 | 80 | 100 | |
| Diagnostic procedure | 133 | 38 | 84 | 11 | 88 | 100 | 77 | 100 | 0.59 |
| Staging procedure | 80 | 28 | 47 | 5 | 90 | 100 | 85 | 100 | |
| Eloubeidi et al. [27] | 246 | 123 | 108 | 11 | 92 | 99 | 93 | 99 |
NPV negative predictive value, PPV positive predictive value
Comparison for diagnostic accuracy in staging and diagnostic group (χ2 test)
aFalse-negative cytology included benign (8) and nondiagnostic (8) specimens