Table 6.

Trends of hazards of 5-year overall survival (OS) characteristics in the T2 group.

5-year OS	1994–2006		2007–2019
Characteristics	T1	T2	T1	T2	P-value
Survival or death rate
Death	13.6%	19.5%	7.5%	15.4%	0.0453
Age, years
≥60	54.2%	39.0%	38.2%	48.7%	<0.0001
Gender
Female	40.7%	46.3%	37.3%	28.8%	0.0002
Hospitalization, days
>15	72.9%	63.4%	12.7%	17.3%	0.0005
Peritoneal metastasis
P1	0.0%	4.9%	0.5%	1.3%	0.0009
Hepatic metastasis
H1	1.7%	0.0%	1.4%	0.6%	0.022
Tumor location
A single part of the stomach	84.5%	80.0%	89.6%	90.8%	n.s.
Histological type
Poor differentiation	52.7%	59.0%	57.3%	59.2%	n.s.
Borrmann
Type IV	6.9%	4.9%	3.3%	2.7%	n.s.
Pathological type
Adenocarcinoma	9.4%	19.8%	13.5%	19.0%	n.s.
pTNM
IV	2.5%	7.4%	1.0%	3.8%	n.s.
N stage
N1	11.9%	38.5%	16.5%	42.9%	n.s.

Chi-square tests were used in the calculation.

n.s., not significant.

The bold values means significant meanings.