Table 3 Clinical evaluation of the detection of MTBC in intestinal tissues
sensitivity (95%CI) | specificity (95%CI) | PPV (95%CI) | NPV (95%CI) | |
|---|---|---|---|---|
Xpert TB/RIF | 33.3% (20.0–49.6) | 100% (90.4–100) | 100% (73.2–100) | 62.2% (50.1–73.0) |
MTBC culture | 21.4% (10.8–37.2) | 100% (90.4–100) | 100% (62.9–100) | 58.2% (46.6–69.1) |
Acid-fast Staining Smear | 11.9% (4.5–26.4) | 97.8% (87.0–99.9) | 83.3% (36.5–99.1) | 54.9% (43.5–65.8) |