Table 3.

Comparison of the Diagnostic Efficiency Between Pathology, Molecular Tests, and Parallel Test for the Diagnosis of Lymph Node Tuberculosis

Sample Type	Test	Sensitivity (P-value)	Specificity (P-value)	PPV (P-value)	NPV (P-value)	AUC (P-value)
Overall	Pathology vs Molecular test	< 0.001	0.314	0.379	< 0.001	< 0.001
	Pathology vs Parallel test	0.016	1.000	0.977	0.034	0.188
	Molecular test vs Parallel test	< 0.001	0.314	0.389	< 0.001	< 0.001
Tissue	Pathology vs Molecular test	< 0.001	1.000	1.000	0.001	< 0.001
	Pathology vs Parallel test	1.000	1.000	1.000	1.000	1.000
	Molecular test vs Parallel test	< 0.001	1.000	1.000	0.001	< 0.001
CNB	Pathology vs Molecular test	< 0.001	0.313	0.366	0.005	0.053
	Pathology vs Parallel test	0.003	1.000	0.965	0.009	0.199
	Molecular test vs Parallel test	< 0.001	0.313	0.381	< 0.001	0.003

Abbreviations: PPV, positive predictive value; NPV, negative predictive value; AUC, area under the curve; CNB, core needle biopsy.