Table 1. The AFB culture results for the specimens of AFB smear negative and MTB/NTM real-time PCR negative – Annals of Clinical Microbiology

Ann Clin Microbiol 2020;23:93-104. Evaluation of Diagnostic Performance of Three Real-Time PCR Assays for the Detection of Mycobacteria Species

Table 1. The AFB culture results for the specimens of AFB smear negative and MTB/NTM real-time PCR negative

Specimen	Results
Specimen	MTB	NTM	Negative	Subtotal (%)
Sputum	0	3	68	71 (40.1)
Bronchial aspirate	0	2	46	48 (27.1)
Pleural fluid	1	1	25	27 (15.3)
Cerebrospinal fluid (CSF)	0	0	16	16 (9.0)
Ascites	0	0	9	9 (5.1)
Bronchoalveolar lavage (BAL)	0	0	2	2 (1.1)
Pericardial fluid	0	0	1	1 (0.6)
Tissue (biopsy)	0	0	1	1 (0.6)
Urine	0	0	1	1 (0.6)
Joint (synovial fluid)	0	0	1	1 (0.6)
Total	1	6	170	177 (100.0)

Abbreviation: AFB, acid-fast bacilli; MTB, Mycobacterium tuberculosis; NTM, nontuberculous mycobacteria.