Table 2

Economic analysis of bariatric procedures

Author/year/countryProcedureEconomic dataNo of surgical subjectsNo of control subjectsTime period (years)Cost utility (cost per QALY)
Van Gemert40 1999, The NetherlandsVBGDirect treatment costs21212£3000 per QALY
Craig and Tseng41 2002, USARYGBDeterministic decision model based on healthcare costNANANA£3200–£10 200 per QALY (Women), £6500–£22 500 per QALY (Men)
Clegg42 43 2003, UKRYGB, AGB, VBG, BPDDeterministic decision model based on healthcare costNANANA£11 000 per QALY
Jensen44 2004, USARYGBDeterministic decision model based on healthcare costNANANA£4500 per QALY
Salem45 2008, USARYGB, AGBDeterministic decision model based on healthcare costNANALifetimeOverall <£16 000 per QALY
£5600 AGB vs £9200 RYGB per QALY (women), £7300 AGB vs £11 600 RYGB per QALY (men)
Ikramuddin46 2009, USARYGBStochastic decision model CORE Diabetes Model using Monte Carlo simulation20420435£13 800 per QALY
£76 500 per QALY over short term (10 years)
Picot47 2009, UKRYGB, AGB, VBG, BPDDeterministic decision model based on healthcare costNANA20£2000 to £4000 per QALY
Campbell48 2010, USA (data based on European cohort)RYGB, AGBStochastic decision model (Markov) based on healthcare cost51515Overall <£16 000 per QALY
£3380 per QALY AGB vs £3500 per QALY RYGB
  • All costs converted to UK pounds in January 2011.

  • AGB, adjustable gastric banding; BPD, biliopancreatic diversion; NA, not available; QALY, quality adjusted life year; RYGB, Roux-en-Y Gastric Bypass; VBG, vertical banded gastroplasty.