Table 4.

Subgroup analysis of the overall survival. Despite the histological type, a survival benefit from gastric resection was observed in patients who did not have distant lymph node or liver metastasis

Condition	Tubular adenocarcinoma		Non-tubular adenocarcinoma (por, sig, others)
P(+) and/or CY(+), LN(−)H(−)	Resection (n = 9) MST; 3.1 years	No-resection (n = 3) MST; 0.6 years	Resection (n = 25) MST; 1.4 years	No-resection (n = 18) MST; 0.8 years
	p < 0.01		p = 0.034
P(−)CY(−), LN(+) or H(+)	Resection (n = 5) MST; 1.7 years	No-resection (n = 2) MST; 1.2 years	Resection (n = 1) survival time; 1.0 years	No-resection (n = 3) MST; 1.6 years
	p = 0.819		–