Survival outcomes and prognostic indicators for gastric cancer patients with positive peritoneal wash cytology but no peritoneal metastasis after radical gastrectomy

Table 6 Multivariate analysis of the risk factors for overall survival (N = 39, n = 25)

Patient characteristic		OR	95%CI	P value
Site of tumor				0.105
Upper/Middle	18
Lower	21
Lauren’s classification				0.476
Type 1	8
Type 2/Type 3	31
Pathological N factor				0.001
0-3a	19	1.000
3b	20	5.365	1.971-14.609
Pathological T factor				0.146
0-3	9
4a-4b	30
Vascular invasion				0.031
Negative	10	1.000
Positive	29	3.660	1.124-11.917
CA199
Elevated	12			0.789
Normal	27

n: The number of subjects who died; OR: Odds ratio; CI: Confidence interval.