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

Table 5 Univariate analysis of the risk factors for overall survival

Patient characteristic		OR	95%CI	P value
Age				0.588
< 60 yr	23	1.000
≥ 60 yr	25	0.822	0.404-1.671
Smoking history				0.935
Yes	26	1.000
No	22	0.971	0.476-1.979
Drinking history				0.137
Yes	26	1.000
No	22	1.726	0.841-3.540
Site of tumor				0.021
Upper/Middle	21	1.000
Lower	27	0.427	0.207-0.880
Signet-ring cell				0.229
Yes	19	1.000
No	28	0.640	0.309-1.325
Bormann classification				0.416
Type1/2/3	32	1.000
Type4	12	1.431	0.603-3.392
Lauren’s classification				0.080
Type 1	9	1.000
Type 2/Type 3	35	2.588	0.892-7.508
Pathological N factor				0.001
0-3a	24	1.000
3b	22	4.194	1.870-9.406
Pathological T factor				0.028
0-3	9	1.000
4a-4b	37	5.008	1.190-21.072
Vascular invasion				0.046
Negative	12	1.000
Positive	34	2.554	1.017-6.413
CA199				0.002
Elevate	13	1.000
Normal	31	0.267	0.118-0.604
CEA				0.837
Elevated	13
Normal	32	0.917	0.403-2.089
Therapy				0.112
Surgery along	12
Combined therapy	36	0.540	0.252-1.154

OR: Odds ratio; CI: Confidence interval.