Table 1. Clinical factors associated with overall survival.

	Patients
Characteristics	No.	Percentage	MST (Months)	P Log-rank test
Age, years (median: 57; range: 30–80)
<57	36	47.4	15.7	0.943
⩾57	40	52.6	10.7
Sex
Male	56	73.7	11.5	0.780
Female	20	26.3	11.7
ECOG PS
0–1	62	81.6	11.8	0.020
2	14	18.4	8.1
Initial staging
III	37	48.7	19.2	< 0.001
IV	39	51.3	9.6
Grading
G2	20	26.3	10.7	0.972
G3	56	73.7	11.8
Site of tumour
Proximal stomach	28	36.8	9.8	0.45
Distal stomach	42	55.3	12.2
Whole stomach	6	7.9	11.3
No.of sites involved a
0–1	49	64.5	16.9	0.004
⩾2	27	35.5	7.6

Abbreviation: MST: median survival time.

^aSites involved: lymph nodes, liver, pancreas, peritoneum, lung, pleura.