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Results of AFB microscopy of first sputum specimens using direct sputum smears, centrifuged sputum smears, and SMFs
| Test and resulta | No. of specimens |
|
|---|---|---|
| Culture positive | Culture negative | |
| Direct sputum smear microscopy | ||
| Positive | 23 | 0 |
| Negative | 18 | 151 |
| Centrifuged sputum smear FM | ||
| Positive | 50 | 0 |
| Negative | 33 | 231 |
| SMF LM | ||
| Positive | 73 | 1 |
| Negative | 9 | 230 |
| SMF FM | ||
| Positive | 72 | 1 |
| Negative | 9 | 230 |
LM, LM using Kinyoun staining; FM, FM using auramine staining.
