Table 3
Decision to treat analysis based on the availability of AFB smear and DAT result
| High clinical suspicion of tuberculosis | Low clinical suspicion of tuberculosis | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Smear positive | Smear negative | Smear positive | Smear negative | ||||||
| Action | DAT result | Action without DAT result | Action with DAT result | Action without DAT result | Action with DAT result | Action without DAT result | Action with DAT result | Action without DAT result | Action with DAT result |
| This table is modified from Catanzaro et al.43 | |||||||||
| Question marks indicate that the clinical, public health, and laboratory groups could not agree on action in these cases, but instead recommend re-assessment of clinical details and repeat testing. | |||||||||
| AFB, acid fast bacilli; DAT, direct amplification test. | |||||||||
| Treat | + | Yes | Yes | Yes | Yes | Yes | Yes | No | ? |
| Treat | – | Yes | ? | Yes | ? | Yes | No | No | No |
