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Contingency table of acid-fast bacilli smear microscopy vs. tuberculosis CX-test.
| TB CX-test | AFB staining (+) | AFB staining (−) | Totals |
|---|---|---|---|
| TB CX-test(+) | 12 | 1* | 13 |
| TB CX-test(−) | 0 | 83 | 83 |
| Totals | 12 | 84 | 96 |
AFB, acid-fast bacilli; CX, coloured agar-based culture; TB, tuberculosis.
, GeneXpert MTB/RIF® confirmed that the specimen was M. tuberculosis positive.
