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Results of IS6110 PCR test on sputum processed by USP method
| PCR result | No. of samples
|
|||
|---|---|---|---|---|
| Culturea
|
USP smear
|
|||
| Positive | Negative | Positive | Negative | |
| Positive | 325 | 70 | ||
| Negative | 3 | 173 | ||
| Total (n = 571) | 328 | 243 | ||
| Positive | 342 | 47 | ||
| Negative | 1 | 175 | ||
| Total (n = 565b) | 343 | 222 | ||
Using USP, CDC, or modified Petroff method.
Only 565 of 571 samples were analyzed with USP smear as the gold standard since 6 specimens were USP smear negative but culture positive.
