Table 1.
Data for costs and effects of bariatric surgery
| Item | Value | Source |
|---|---|---|
| Preoperative weight management | £1024 | Tier 3 weight management program |
| Procedure cost | £7015 | NHS tariff: LAGB £3620; GBP £8713; sleeve gastrectomy £8713 (33% each procedure) |
| Postoperative review | £875 | |
| Cost of leaks | £250 | Bransen et al. [30] |
| Total procedure cost | £9164 | |
| Cost of re-operations | £3620 | NHS tariff (FZ05A) |
| Rate of re-operation | 2% per year | CPRD (unpublished analyses) |
| Operative mortality | 0.07% | NBSR [14] |
| Diabetes remission | 40% | CPRD [25] |
| Incidence (relative risk) | ||
| Diabetes mellitus | 0.20 (0.13–0.30) | CPRD [5] |
| CHD | 0.67 (0.54–0.83) | SOS [7] |
| Stroke | 0.67 (0.54–0.83) | SOS [7] |
| Cancer | 0.58 (0.44–0.77) | SOS [26] (women only) |
| Mortality (relative risk) | 0.45 (0.36–0.56) | Arterburn et al. [8] |
| Depression (relative risk) | ||
| Year 1 | 0.82 (0.78–0.87) | CPRD [22] |
| Year 2 | 0.83 (0.76–0.90) | |
| Year 3 | 0.87 (078–0.97) | |
| Decrement in utility associated with BMI (kg/m2) category | ||
| 25–29 | 0 | Hakim et al. [28] |
| 30–34 | −0.085 | |
| 35–39 | −0.17 | |
| ≥40 | −0.255 | |
BMI, body mass index; CHD, coronary heart disease; CPRD, Clinical Practice Research Datalink; GBP, gastric bypass; LAGB, laparoscopic adjustable gastric banding; NBSR, National Bariatric Surgical Register; NHS, National Health Service; SOS, Swedish Obese Subjects Study.