Table 2.

Tumor characteristics.

Parameter	1972–1992 (n = 761)		1993–2014 (n = 346)		p
	n	%	n	%
Tumor location					0.163
Non-antropyloric	474	62.3	200	57.8
Antropyloric	287	37.7	146	42.2
Laurén classification					0.001
Non-diffuse	473	62.2	165	51.6
Diffuse	287	37.8	155	48.4
Missing data	1		26
pT category					0.359
T1–T2	588	77.3	258	74.6
T3–T4	173	22.7	88	25.4
pN category					0.119
pN0	377	49.5	153	44.3
pN1–3	384	50.5	192	55.7
Missing data	0		1
AJCC/UICC stage					0.343
IA–IB	358	47.0	157	45.5
II	183	24.0	80	23.2
IIIA–IIIB	180	23.7	83	24.1
IV	40	5.3	25	7.2
Missing data	0		1

p values in bold type indicate statistical significance. AJCC: American Joint Committee on Cancer; UICC: Union Internationale Contre le Cancer.