Systematic review of diagnostic tools for peritoneal metastasis in gastric cancer-staging laparoscopy and its alternatives

Table 1 Patient demographics

Ref.	Total number of patients	Mean age in years (range)	Gender ratio (M:F)
Burbidge et al[28], 2013	220	69 (41-96)	136:84
Li et al[29], 2020	385	-	-
Davies et al[30], 1997	105	69 (33-92)	68:37
Kim et al[31], 2009	498	59.6 (27-89)	332:166
Stell et al[32], 1996	103	65 (33-91)	68:35
Asencio et al[58], 1997	71	65.8 (47-81)	43:27
Fujimura et al[59], 2002	39	(26-80)	17:22
Leeman et al[60], 2017	74	67.6 (29-84)	54:20