Specimen material | N˚ of specimens | Performance (%) | |||||||
EPTB culture positive | EPTB culture negative | ||||||||
Ultra positive | Ultra negative | Ultra positive | Ultra negative | Sensitivity (95% CI) | Specificity (95% CI) | PPV (95% CI) | PPN (95%CI) | Accuracy (95% CI) | |
Biological fluids (n = 456) | 14 | 1 | 8 | 433 | 93.3% | 98.2% | 63.6% | 99.8% | 98.0% |
Tissues biopsies (n = 57) | 9 | 1 | 2 | 45 | 90.0% | 95.7% | 81.8% | 97.8% | 94.7% |
Lymph nodes and aspirates (n = 40) | 10 | 0 | 2 | 28 | 100% | 93.3% | 83.3% | 100% | 95.0% |
Pus and abscess (n = 53) | 10 | 0 | 2 | 41 | 100% | 95.3% | 83.3% | 100% | 96.2% |
Total (n = 606) | 43 | 2 | 14 | 547 | 95.6% | 97.5% | 75.4% | 99.6% | 97.4% |