Decision uncertainty and value of further research: a case-study in fenestrated endovascular aneurysm repair for complex abdominal aortic aneurysms

Table 3 Costs of procedures in the economic model

	Natural units, OSR	Difference fEVAR-OSR	Unit cost (£)	Mean cost open	Mean cost fEVAR
Resource	Mean of studies from meta-analysis	Pooled WMD from meta-analysis (Table 2)	53
Length of stay (days)	10	− 4.83	353	2593	1352
Operative time (mins)	251	38.72	19.58	4421	5102
Blood units (450 ml)	3.25	− 2.41	144	454	118
ICU stay (days)	3.41	− 0.88	1178	4059	3012
Cost of device (£)				312	16,502
Other consumables				246	516
Total				13,529	27,658

Costs inflated to 2016/17 prices using hospital pay and prices index [56]
WMD weighted mean difference, OSR open surgical repair, fEVAR fenestrated endovascular repair

ISSN: 1478-7547