Table 3.

Weighted meta-regression to assess the effects of various factors on diagnostic accuracy of T-SPOT assay.

	Covariate	Coefficient	RDOR (95% CI)	P
PB T-SPOT	Design
	Prospective (4)	−4.366	0.01 (0.00–0.71)	0.04
	Retrospective (4)
	TB burden
	High TB   prevalence (6)	0.323	1.38 (0.14–13.78)	0.69
	Intermediate TB   prevalence (2)
	Sample
	>60 (6)	−1.305	0.27 (0.02–2.97)	0.18
	≤ 60 (2)
PF T-SPOT	Design
	Prospective (4)	−1.825	0.16 (0.00–96.39)	0.34
	Retrospective (3)
	TB burden
	High TB   prevalence (4)	−0.507	0.60 (0.00–107.99)	0.71
	Intermediate TB   prevalence (3)
	Sample
	>60 (3)	0.119	1.13 (0.03–48.43)	0.9
	≤ 60 (4)

PB, peripheral blood; PF, peritoneal fluid; RDOR, relative diagnostic odds ratio; TB, tuberculosis; CI, confidence interval.