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Cross tabulation of SD MPT64 assay and para-nitrobenzoic acid.
| SD MPT64 assay | Reference standard (PNB) |
|||
|---|---|---|---|---|
| Negative | M. tuberculosis | NTM | Total | |
| Positives | ||||
| Negative | 0 | 0 | 0 | 0 |
| M. tuberculosis | 0 | 136 | 0 | 136 |
| NTM | 0 | 0 | 2 | 2 |
| Negatives | ||||
| Negative | 50 | 0 | 0 | 50 |
| M. tuberculosis | 0 | 0 | 0 | 0 |
| NTM | 0 | 0 | 0 | 0 |
| NTM | ||||
| Negative | 0 | 0 | 0 | 0 |
| M. tuberculosis | 0 | 0 | 0 | 0 |
| NTM | 0 | 0 | 50 | 50 |
PNB, para-nitrobenzoic acid; NTM, non-tuberculous mycobacteria; ZN, Ziehl-Neelsen.
