Diagnostic Ability of Magnifying Narrow-Band Imaging for the Extent of Early Gastric Cancer: A Systematic Review and Meta-Analysis

Table 3

The negative resection rate of the horizontal margin in differentiated-type EGC and undifferentiated-type EGC.

	Number of studies	(lesions examined)	Events (lesions examined)			95% CI (%)	value
Differentiated	2	404	402	64.5%	0.09	99.77 [98.23-100.00]	0.2528
Undifferentiated	5	335	314	89.4%	<0.01	97.40 [89.06-100.00]

EGC: early gastric cancer; CI: confidence interval.