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The Positive and Negative Rate for Each Index and Reference Test
| Test | Tuberculous Pericarditis (n=18) | Non-Tuberculous Pericarditis (n=56) | ||
|---|---|---|---|---|
| Positive (n, %) | Negative (n, %) | Positive (n, %) | Negative (n, %) | |
| MTB culture | 18 (100.0) | 0 (0.0) | 0 (0.0) | 56 (100.0) |
| CapitalBio assay | 9 (50.0) | 9 (50.0) | 5 (8.9) | 51 (91.1) |
| Xpert MTB/RIF | 11 (61.1) | 7 (38.9) | 5 (8.9) | 51 (91.1) |
| Parallel test | 13 (72.2) | 5 (27.8) | 5 (8.9) | 51 (91.1) |
Abbreviation: MTB, Mycobacterium tuberculosis.
