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Respiratory specimens: comparison of Ultra vs. Xpert assays with AFB smear and culture results.
| Type of specimen | No. of specimens | No. of specimens positive with |
|
|---|---|---|---|
| Ultra | Xpert | ||
| Smear positive and MTB culture positive | 75 | 75 | 75 |
| Smear negative and MTB culture positive | 48 | 41 | 32 |
| Smear positive and NTM culture positive | 15 | 0 | 0 |
| Smear and culture negative | 131 | 3 | 0 |
| All categories | 269 | 119 | 107 |
