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Results of amplifications after extraction of DNA from five smears in sputum slides
| AFB AU | PCR | Culture | |
|---|---|---|---|
| Sample 1 |
++ |
pos |
M. tuberculosis |
| Sample 2 |
+ |
pos |
M. tuberculosis |
| Sample 3 |
- |
pos |
M. tuberculosis |
| Sample 4 |
++ |
pos |
M. tuberculosis |
| Sample 5 | + | neg | M. kansasii |
+ and ++ positives; pos = positive; neg = negative; PCR = Polymerase Chain Reaction; AFB AU = Acid-fast bacilli by Auramine.
