From: Impact of weight trajectory after bariatric surgery on co-morbidity evolution and burden
Parameter | Reference | Base case | Notes |
---|---|---|---|
Age | Padwal et al. 2014 [10] | 43.5 ± 9.5 years | Use population demographics of a Canadian surgical cohort (150 patients, Alberta) |
BMI | 46.2 ± 7.4 kg/m2 | ||
Female | 87.3% ± 2.7% | ||
T2D baseline | 44.7% ± 4.1% | ||
HTN baseline | 61.3% ± 4.0% | ||
DLP baseline | 60.0% ± 4.0% | ||
Cohort size | N/A | 100 patients | Example cohort |
Provincial RYGB surgical volume | CIHI report [4] | Ontario 2380 | Most recent data available for the provinces with top 3 RYGB volumes in year ending 2014 |
Quebec 310 | |||
Alberta 260 | |||
Discount rate | CADTH guidelines [15] | 1.5% | 4th edition guidelines |
Cost T2D, year 1 | Rosella et al. 2016 [16] | Male: $4061 ± $609 | Ontario Base value uncertainty taken as ±15% |
Female: $4017 ± $603 | |||
Cost T2D, year 2+ | Rosella et al. 2016 [16] | Male: $828 ± $123 | Ontario Base value average costs years 2–8 in study |
Female: $1023 ± $124 | |||
Cost HTN | Weaver et al. 2015 [17] | $2163 ± $227 | Canada wide |
Cost DLP | Conly et al. 2011 [18] | $79 ± $8 | Alberta Final value includes only laboratory costs for patients on statins minus costs for patient time and travel |