TABLE 2.

Resuts of meta-regression analysis.

Variable	Coefficient	Standard error	p value a	RDOR	95% CI
Country	−0.077	0.0857	0.3742	0.93	0.78–1.10
Sample Size	0.000	0.0060	0.9404	1.00	0.99–1.01
Clinical Stage	−0.349	0.1732	0.0537	0.71	0.49–1.01
Detection Method	0.097	0.1444	0.5074	1.10	0.82–1.48

^a Tau-squared estimate.