Table 2.

Meta-regression analysis of diagnostic accuracy

Variables	Coefficient	Standard error	P-value	RDOR	95% CI
Ste	9.53	1.47	< 0.01	NA	NA
S	0.25	0.21	0.24	NA	NA
Sample size	−1.56	0.54	0.06	0.21	0.07–0.65
Study population	−0.03	0.89	0.98	0.97	0.15–6.30
Blinding status	−1.80	0.65	0.01*	0.17	0.04–0.65
Target antigen	1.50	0.6750	0.04*	4.46	1.08–18.41
Sampling method	−0.99	0.90	0.28	0.37	0.06–2.46

*statistically significant

NA, not applicable; CI, confidence interval; RDOR, relative diagnostic odds ratio; Ste, constant term in the equation; S, a measure of threshold