Prognostic significance of malignant ascites in gastric cancer patients with peritoneal metastasis: A systemic review and meta-analysis

Table 2 Baseline characteristics of included studies comparing the prognosis of patients with massive ascites with that of patients with mild to moderate ascites

Ref.	Year	Patients’ origin	Study design	Study period	GC with PM	Previous treatment	No. of samples	mOS (mo)
							Massive/Mild to moderate	Massive/Mild to moderate
Matsumoto et al[20]	2018	Japan	RS	2015-2016	Yes	Chemotherapy, surgery	14/26	3.9/9.6
Hara et al[24]	2017	Japan	RS	2006-2011	Yes	Chemotherapy	8/22	1.9/7.2
Shitara et al[15]	2013	Japan	RS	2005-2011	Yes	Chemotherapy, surgery	11/39	9.5/13.5
Total							33/87

Mild to moderate: Patients with mild to moderate ascites; Massive: Patients with massive ascites; RS: Retrospective study; GC: Gastric cancer; PM: Peritoneal metastasis.