Is endoscopic ultrasonography still the modality of choice in preoperative staging of gastric cancer?

Table 2 Summarized results of endoscopic ultrasonography in preoperative N staging¹

Ref.	Year	Number of studies (n)	Stage	Accuracy (pooled, %)	Sensitivity (pooled, %)	Specificity (pooled, %)
Puli et al[23]	2008	22	N1	-	58.2	87.2
			N2	-	64.9	92.4
Kwee et al[15]	2009	30	N	-	16.7-98.82	48.4-1002
Mocellin et al[24]	2011	48	N	-	69.0	84.0
Cardoso et al[25]	2012	22	N	64 (230-90)	74 (216.6-96.8)	80 (57.1-100)2

¹Based on meta-analyses and systematic reviews;

²Range value.