| Total | NAAT indicates MTB (n (%)) | Culture confirms MTB (n (%)) | NAAT indicates rifampicin resistance (n (%)) | Culture indicates rifampicin resistance (n (%)) | |||
| Indication for NAAT present | Sent | Total | 51 | 42 (82) | 47 (92) | 2 (4) | 3 (6) |
| Mycobacterial identification* | 13 | 10 (77) | 10 (77) | 0 | 0 | ||
| Rifampicin resistance* | 38 | 32 (82) | 37 (97) | 2 (5) | 3 (8) | ||
| Not sent | Total | 36 | N/A | 32 (84) | N/A | 1 (3) | |
| Mycobacterial identification* | 4 | 2 (50) | 0 | ||||
| Rifampicin resistance* | 32 | 30 (94) | 1 (3) | ||||
| Indication for NAAT not present | 36 | N/A | 19 (53) | N/A | 0 | ||
| Total | 123 | 42 (34) | 98 (80) | 2 (2) | 4 (3) |
*The principal reason for sending sample for NAAT.
AFB, acid fast bacillus; MDR, multidrug resistant; MTB, Mycobacterium tuberculosis; N/A, not applicable; NAAT, nucleic acid amplification tests.