Endoscopic management of occluded metal biliary stents: Metal versus 10F plastic stents

Table 1 Costs of procedures and stents in US dollars¹

	Year
	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009
ERCP	56.45	53.69	53.62	58.14	62.18	71.57	79.48	83.61	76.89	71.45
ERBD	175.48	153.70	153.50	166.46	178.02	204.88	227.50	239.33	204.24	178.73
PTBD	91.66	81.60	81.48	88.37	94.51	108.77	120.77	127.06	150.52	168.09
PTBD tube change	26.65	34.61	34.57	37.49	40.09	46.14	51.23	53.90	67.71	77.82
SEMS	697.80	611.19	628.53	661.92	689.23	770.21	825.67	810.86	688.32	641.93
PS	60.47	52.96	54.46	57.36	59.72	66.74	71.55	74.02	59.55	55.54

¹Costs converted from Korean won to US dollars according to annual medical fee schedules and the annual average exchange rate. ERCP: Endoscopic retrograde cholangiopancreatography; ERBD: Endoscopic retrograde biliary drainage; PTBD: Percutaneous transhepatic biliary drainage; SEMS: Self-expandable metal stent; PS: Plastic stent.