Efficacy of continuous gastric artery infusion chemotherapy in relieving digestive obstruction in advanced gastric cancer

Table 4 Univariate and Multivariate survival analysis for overall survival

Variables	n (%)	Univariate survival analysis			Multivariate survival analysis
		HR	95%CI	P value	HR	95%CI	P value
Gender
Male	20 (69)	1.53	0.49-4.85	0.466
Female	9 (31)	1
Intravenous chemotherapy history
No	22 (76)	0.30	0.11-0.83	0.020
Yes	7 (24)	1
Gastric cancer surgery history
No	27 (93)	0.51	0.12-2.29	0.381
Yes	2 (7)	1
Pathology
Squamous cell carcinoma	2 (7)	9.24	1.62-52.69	0.012
Signet ring cell carcinoma	8 (27)	0.66	0.18-2.44	0.535
Adenocarcinoma	19 (66)	1
Tumor invasion
≤ T4a	19 (66)	0.48	0.17-1.32	0.153
T4b	10 (34)	1
Metastasis
No	9 (31)	0.63	0.20-1.98	0.425
Yes	20 (69)
Obstructive location
Gastroesophageal junction	6 (21)	1.21	2.24-6.10	0.816
Pylorus	21 (72)	0.35	0.07-1.68	0.188
Anastomosis	2 (7)	1
Stooler’s Dysphagia Score
III	22 (76)	0.34	0.11-1.02	0.055
IV	7 (24)	1
Relieve digestive obstruction
No	7 (24)	2.55	0.84-7.72	0.098
Yes	22 (76)
Radical resection after cGAIC
No	16 (55)	9.56	2.11-43.44	0.003	8.48	1.27-56.51	0.027
Yes	13 (45)
Intravenous chemotherapy after cGAIC
No	10(34)	6.20	2.14-18.00	0.001	8.61	1.42-52.17	0.019
Yes	19(66)
Immunotherapy after cGAIC
No	18(62)	4.12	0.93-18.28	0.063	13.09	1.64-104-12	0.015
Yes	11(38)

HR: Hazard ratio; CI: Confidence interval; cGAIC: Continuous gastric artery infusion chemotherapy.