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Table 2 Sensitivity, specificity, and positive and negative predictive values of Xpert MTB/RIF and MGIT 960 culture in detecting tuberculous pleuritis

From: Performance of Xpert® MTB/RIF in diagnosing tuberculous pleuritis using thoracoscopic pleural biopsy

Test

Sensitivity, % (95% CI)

Specificity, % (95% CI)

Positive predictive value, % (95% CI)

Negative predictive value, % (95% CI)

MGIT 960 culture (n = 64)

 Xpert MTB/RIF

68.8 (55.8–79.4)

64.6 (54.1–73.9)

56.4 (44.7–67.4)

75.6 (64.7–84.1)

CRS (n = 113)

 Xpert MTB/RIF

69.0 (59.5–77.2)

100.0 (90.6–100.0)

100.0 (94.2–100.0)

57.3 (45.9–68.0)

 MGIT 960 culture

56.6 (47.0–65.8)

100.0 (90.6–100.0)

100.0 (92.9–100.0)

49.0 (38.7–59.3)

  1. CRS composite reference standard, CI confidence interval