From: High diagnostic yield of endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) in the diagnosis of adolescent pulmonary tuberculosis
n performed
n positive
n negative
%
Chest X-ray or CT-scan abnormalities
34
33
1
97.1
 Chest X-ray only
12
0
100
 Chest CT-scan
22
21
95.5
Positive TST
9
100.0
Positive QFT
19
18
94.7
Positive ELISpot
10
2
83.3