Table 3 Comparison of detection rate of cancerous findings by magnifying endoscopy with narrow band imaging between non-eradicated and eradicated groups in the mixed-type early gastric cancers

D-MIX^a EGCs^c

Differentiated-type findings

40/40 (100%)

62/ 62 (100%)

> 0.99

   mesh pattern only

8 (20%)

17 (27.4%)

   loop pattern only

7 (17.5%)

15 (24.2%)

   mesh pattern + loop pattern

25 (62.5%)

30 (48.4%)

Undifferentiated-type findings

21/40 (52.5%)

33/62 (53.2%)

> 0.99

   extended

1 (2.5%)

4 (6.5%)

   wavy

15 (37.5%)

19 (30.6%)

   cork

2 (5%)

5 (8.0%)

   2 of extended, wavy, cork

3 (7.5%)

4 (6.5%)

   All (extended, wavy, cork)

0 (0%)

1 (1.6%)

U-MIX^b EGCs

Differentiated-type findings

13/14 (92.9%)

6/8 (75%)

0.53

   mesh pattern only

3 (21.5%)

2 (25%)

   loop pattern only

9 (64.3%)

3 (37.5%)

   mesh pattern + loop pattern

1 (7.1%)

1 (12.5%)

Undifferentiated-type findings

11/14 (78.6%)

8/8 (100%)

0.27

   extended

2 (14.3%)

0 (0%)

   wavy

2 (14.3%)

1 (12.5%)

   cork

2 (14.3%)

2 (25%)

   2 of extended, wavy, cork

5 (35.7%)

5 (62.5%%)

   All (extended, wavy, cork)

0 (0%)

0 (0%)