Table 2 Comparison of the characteristics between non-eradicated and eradicated groups in the undifferentiated-type predominant mixed-type early gastric cancers

Age (years), median (range)

73.5(40–82)

66 (56–72)

0.73*

Sex Male (%)

8 (57.1%)

4 (50.0%)

> 0.99

Location

 Upper

0 (0%)

1 (12.5%)

 Middle

10 (71.4%)

3 (37.5%)

0.23

 Lower

4 (28.6%)

4 (50%)

Size (mm), median (range)

21.5 (15–40)

21 (7–36)

0.59*

Macroscopic Type (%)

 0-IIa

0 (0%)

1 (12.5%)

 0-IIc

13 (92.9%)

6 (75%)

0.45

 complex type

1 (7.1%)

1 (12.5%)

Presence of ulcerative findings

4 (28.6%)

2 (25%)

> 0.99

Invasion depth

 Mucosa

11 (78.6%)

6 (75%)

> 0.99

 Submucosa

3 (21.4%)

2 (25%)

Main histological type

 sig^a

2 (14.3%)

2 (25%)

0.60

 por^b

12 (85.7%)

6 (75%)

Inflammatory cell infiltration (normal-mild)

 Neutrophils

3 (21.4%)

8 (100%)

0.001

 mononuclear cells

3 (21.4%)

8 (100%)

0.001