. 2024 Sep 20;24:1017. doi: 10.1186/s12879-024-09901-0

Table 1.

The diagnostic accuracy of the four tests for peripheral nodular pulmonary tuberculosis

Test	Sensitivity (95% CI)	Specificity (95% CI)	PPV (95% CI)	NPV (95% CI)	AUC (95% CI)
AFB smear	8.22 (4.32–13.92)	97.67 (91.85–99.72)	85.71 (57.19–98.22)	38.53 (32.04–45.34)	0.53 (0.46–0.60)
Culture	31.51 (24.08–39.71)	100.00 (95.80–100.00)	100.00 (92.29–100.00)	46.24 (38.91–53.68)	0.66 (0.59–0.72)
Xpert MTB/RIF	47.26 (38.95–55.68)	100.00 (95.80–100.00)	100.00 (94.79–100.00)	52.76 (44.80–60.62)	0.74 (0.69–0.79)
Pathological examination	23.97 (17.30–31.73)	97.67 (91.85–99.72)	94.59 (81.81–99.34)	43.08 (36.02–50.34)	0.61 (0.54–0.67)

Test

Sensitivity
(95% CI)

Specificity
(95% CI)

PPV
(95% CI)

NPV
(95% CI)

AUC
(95% CI)

AFB smear

8.22

(4.32–13.92)

97.67

(91.85–99.72)

85.71

(57.19–98.22)

38.53

(32.04–45.34)

0.53

(0.46–0.60)

Culture

31.51

(24.08–39.71)

100.00

(95.80–100.00)

100.00

(92.29–100.00)

46.24

(38.91–53.68)

0.66

(0.59–0.72)

Xpert MTB/RIF

47.26

(38.95–55.68)

100.00

(95.80–100.00)

100.00

(94.79–100.00)

52.76

(44.80–60.62)

0.74

(0.69–0.79)

Pathological examination

23.97

(17.30–31.73)

97.67

(91.85–99.72)

94.59

(81.81–99.34)

43.08

(36.02–50.34)

0.61

(0.54–0.67)