Subtotal gastrectomy combined with chemotherapy: An effective therapy for patients with circumscribed Borrmann type IV gastric cancer

Table 3 Factors associated with postoperative peritoneal cavity metastasis in Borrmann type IV patients

Variable	PPCM (79)	Non-PPCM (22)	Pearson P value
Tumor location			0.497
Upper 1/3–1/2 (U or MU)	13	4
Lower 1/3–1/2 (M or L or ML)	41	13
Total (LAU or LMU)	25	5
Radical degree			0.107
R0	28	12
R1+	51	10
Gastrectomy type			0.112
Subtotal gastrectomy	13	7
Total gastrectomy	66	15
Venous/lymphatic infiltration			0.416
Yes	50	16
No	29	6
pT stage			0.559
pT3	23	5
pT4	56	17
pN stage			0.005b
pN0	9	8
pN1-3	70	14
Chemotherapy			0.105
Yes	46	17
No	33	5

^bP < 0.01. PPCM: Postoperative peritoneal cavity metastasis; U: Upper; M: Middle; L: Lower; pT: Tumor invasion depth; pN: Lymph node status.