From: The role of Endobronchial ultrasound guided transbronchial needle aspiration (EBUS-TBNA) for qualitative diagnosis of mediastinal and hilar lymphadenopathy: a prospective analysis
Number of lymph node passes
N = 1
N > 1
Total (N = 225)
151
74
Successful passes
117
61
Unsuccessful passes
34
13
Diagnostic accuracy
77.5%
82.4%
P = 0.27