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%