Endoscopic stenting for inoperable malignant biliary obstruction: A systematic review and meta-analysis

Table 2 Costs evaluation - per patient in Euros

	Costs (€)
	PS			SEMS
Ref.	No pts	PS cost (mean)	Total	No pts	SEMS cost (mean)	Total
Walter et al, 2014	73	6906	504138	146	6437	939802
Mukai et al, 2013	30	17170.19	515105.7	30	8935.68	268070.4
Soderlund et al, 2006	51	953.1372549	48610	49	940	46060
Katsinelos et al, 2006	24	737.5	17700	23	1308.695652	30100
Kaassis et al, 2003	59	1216.805085	71791.5	59	1208.116949	71278.9
Prat et al, 1998	33	5547	183051	34	4643	157862
Wagner et al, 1993	10	3511.31	35113.1	10	2552.57	25525.7
Knyrim et al, 1993	31	3067.75	95100.25	31	2045.17	63400.27
MEAN (per patient)	4728.648071			4193.977147
SD	5434.740692			2905.677081
	P = 0.0985

SEMS: Self-expanding metal stents; PS: Plastic stents.