Table 3 Performance of endobronchial ultrasound transbronchial needle aspiration (EBUS-TBNA) in a population of 25 patients with suspected lymphoma
Lymphoma presentLymphoma absent
EBUS-TBNA positive100
EBUS-TBNA negative113
Adequate lymphoid tissue: 24/25 (96%)*
Sensitivity 90.9% (95% CI 0.74 to 1.00)
Specificity 100% (95% CI 0.75 to 1.00)
Positive predictive value 100% (95% CI 0.69 to 1.00)
Negative predictive value 92.9% (95% CI 0.79 to 1.00)

  • *One patient with an inadequate sample was excluded from the 2×2 table.