Table 1. Recovery rates on LJ medium and the BacT Alert 3D system based on AFB smear status.
| AFB smear | No. of specimens | LJ medium | BacT Alert 3D system | ||||
|---|---|---|---|---|---|---|---|
| Positive | Negative | Contamination | Positive | Negative | Contamination | ||
| Negative | 94 | 11 (11.7) | 79 (84.0) | 4 (4.3) | 16 (17.0) | 72 (76.6) | 6 (6.4) |
| Positive | 210* | 191 (91.0) | 11 (5.2) | 7 (3.3) | 198 (94.3) | 3 (1.4) | 8 (3.8) |
| Total | 304* | 202 (66.4) | 90 (29.6) | 11 (3.6) | 214 (70.4) | 75 (24.7) | 14 (4.6) |
Values are presented as number (%).
*One AFB smear-positive culture was observed, which was identified as Mycobacterium abscessus.
LJ medium: Löwenstein-Jensen medium; AFB: acid-fast bacilli.