Elemene-containing hyperthermic intraperitoneal chemotherapy combined with chemotherapy for elderly patients with peritoneal metastatic advanced gastric cancer

Table 1 Clinical characteristics of patients with gastric cancer

Clinical parameters	Group L	Group M	P value
Gender			0.531
Male	14	9
Female	8	8
Age group (yr)			0.748
65-69	11	10
70-75	11	7
ECOG score			0.561
0	14	8
1	5	5
2	3	4
Tumor location			0.667
Proximal	2	3
Middle	4	2
Distal	16	12
Tumor stage			0.192
cT3	12	5
cT4a	9	9
cT4b	1	3
PCI scores			0.508
< 20	15	9
≥ 20	7	8
Abdominal infection (cases)	2	0	0.495
pulmonary infection (cases)	1	1	1.000
Urinary tract infection (cases)	0	1	0.436
Myelosuppression system (grade 3/4, cases)	6	0	0.027
Blood transfusion therapy (cases)	4	0	0.118
Average length of stay (d)	18.7	16.1	0.045

PCI: Peritoneal cancer index; ECOG: Eastern Cooperative Oncology group.