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Table 2 Face mask samples sensitivity and specificity relative to sputum-Xpert results

From: Face mask sampling (FMS) for tuberculosis shows lower diagnostic sensitivity than sputum sampling in Guinea

 

ITM

(N = 30)

LNRM

(N = 118)

ITM + LNRM

(N = 148)

Sput-Xpert+

Sput-Xpert-

Sput-Xpert+

Sput-Xpert-

Sput-Xpert+

Sput-Xpert-

Mask-Xpert+

1

0

25

4

26

4

Mask-Xpert-

5

24

23

66

28

90

Sen (%)

16.7

52.1

48.1

Spec (%)

100

94.2

95.7