Different Incidence of Early-Onset Gastric Carcinoma Depending on Ethnicity: Preliminary Results of a Hospital in Liangshan

Table 3

Literature review from three studies compared with the own study.

Author	Bay et al. [19], China	Kono et al. [16], Japan	Quach et al. [17], Vietnam	Own study
Study design	Prospective	Retrospective	Prospective	Retrospective
Number of cases	250	72	141	171
Age median	31	35	35	37
Gender male/female ratio	0.66	1.1	1.109	1.1
Diffuse type of Lauren	64%	92%	87%	88%
Helicobacter pylori	Not reported	81%	73%	46%
Clinical stage	Not reported	III-IV	III-IV	Not reported
Familial history	19%	10%	0	12%