Factors Affecting the Accuracy of Endoscopic Ultrasonography in the Diagnosis of Early Gastric Cancer Invasion Depth: A Meta-analysis

Table 2

Metaregression analysis.

Covariate	Coefficient	value	RDOR	95% CI
Publication date (after 2010 vs. before 2010)	-0.096	0.8293	0.91	(0.36; 2.32)
Country (Japan vs. others)	0.151	0.2343	1.16	(0.70; 1.92)
EUS type (miniprobe vs. others)	-0.863	0.0484	0.42	(0.18; 0.99)

CI: confidence interval; EUS: endoscopic ultrasonography; RDOR: relative diagnostic odds ratio.