Clinicopathological characteristics of clinical early gastric cancer in the upper-third stomach

Table 2 Comparison of clinicopathological factors between accurate- and under-diagnosis groups

	Accurate diagnosis	Under diagnosis	P value
Age (yr)
< 65	44	9
≥ 65	63	12	0.088
Sex
Male	77	17
Female	30	4	0.390
Macroscopic1
Localized	33	4
Diffuse	74	17	0.280
Histology
Diff.2	76	11
Undiff.3	31	10	0.094
Size (mm)
< 40	81	11
≥ 40	26	10	0.024
Unknown	3	1

¹Macroscopic: Macroscopic findings;

²Diff.: Differentiated adenocarcinoma;

³Undiff.: Undifferentiated adenocarcinoma.