Table 3.

Analysis of heterogeneity sources.

	Covariate	Studies	Sensitivity (95%)	Specificity (95%)	p-value
TB burden	High	15	0.94 [0.91–0.97]	0.95 [0.93–0.96]	0.12
	Low	9	0.87 [0.81–0.94]	0.95 [0.93–0.97]
Study design	Case-control	2	0.85 [0.70–1.00]	0.94 [0.91–0.98]	0.35
	Cohort and Cross-sectional	22	0.93 [0.90–0.96]	0.95 [0.94–0.97]
Category	TB ascites	2	0.99 [0.96–1.00]	0.95 [0.91–1.00]	0.11
	Peritoneal TB and Tuberculous peritonitis	22	0.91 [0.88–0.95]	0.95 [0.94–0.96]
ADA cut-off value	≥40 IU/L	4	0.96 [0.92–1.00]	0.96 [0.94–0.99]	0.26
	< 40 IU/L	20	0.91 [0.88–0.95]	0.95 [0.93–0.96]

TB, tuberculosis.