Magnifying Endoscopy with Blue Laser Imaging Improves the Microstructure Visualization in Early Gastric Cancer: Comparison of Magnifying Endoscopy with Narrow-Band Imaging

Table 1

Clinicopathological features of early gastric cancers.

	Group A	Group B	Group C	P value
	Mean age (range), year	69 (50–81)	75 (64–88)		66 (51–83)	ns
Sex
Male	15	2	3	ns
Female	2	2	2
Location
Upper third	6	0	1	ns
Middle third	6	2	2
Lower third	5	2	2
Macroscopic type
Elevated	5	2	1	ns
Depressed	10	2	4
Mixed	2	0	0
Mean tumor size (range), mm	18.4 (6–60)	17.3 (5–36)	17 (8–32)	ns
Pathological diagnosis
Well differentiated	15	3	2	ns
Moderately differentiated	2	1	0
Poorly differentiated depth	0	0	3
m	15	4	3	ns
sm1	2	0	1
sm2	0	0	1
UL
–	15	3	3	ns
+	2	1	2
Invasion
–	15	4	3	ns
ly+ or v+	2	0	2
R0 resection (%)	100	100	80	ns