Positive

culture

Negative

culture

Sensitivity and Specificity

Positive likelihood ratio

Negative likelihood ratio

Positive and Negative predictive values

SSM+

135

12

Sensitivity: 86%

95% CI: [81% - 91%]

Specificity: 96%

95% CI: [94% - 98%]

21.5

0.15

PPV: 91.8%

NPV: 93.3%

SSM-

22

300

LAMP-TB+

144

18

Sensitivity: 92%

95% CI: [88% - 96%]

Specificity: 94%

95% CI: [91% - 97%]

15.3

0.09

PPV: 88.8%

NPV: 95.7%

LAMPTB-

13

294