Table 2 Comparison of different diagnostic tests for patients with active tuberculosis infection at University of Texas MD Anderson Cancer Center from 2006 to 2014
From: Active Mycobacterium tuberculosis infection at a comprehensive cancer center, 2006–2014
Patients | Without cancer diagnosis N = 20 (%) | With cancer diagnosis N = 32 (%) |
|---|---|---|
Positive AFB smear | 5 (25) | 6 (19) |
Positive TB Culture | 20 (100) | 32 (100) |
Sputum | 1 (5) | 6 (19) |
BAL | 6 (30) | 9 (28) |
FNA | 2 (10) | 9 (28) |
Tissue | 11 (55) | 8 (25) |
Positive TB PCRa | 1 | 1 |
Positive IGRA | 7/8b (88) | 9/16c (56) |
T-SPOT.TB | 0 | 1 |
QFT.TB | 7 | 8 |
Negative IGRA | 1/8b (13) | 3/16c (19) |
T-SPOT.TB | 1 | 0 |
QTF.TB | 0 | 3 |
Inconclusive IGRA | 0 | 4/16c (25) |
T-SPOT.TB | 0 | 0 |
QTF.TB | 0 | 4 |