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Cost-Utility of Laparoscopic Roux-en-Y Gastric Bypass in Chinese Patients with Type 2 Diabetes and Obesity with a BMI ≥ 27.5 kg/m2: a Multi-Center Study with a 4-Year Follow-Up of Surgical Cohort
Cost-effectiveness of Minimally Invasive Gastric Bypass Surgery in Chinese Patients with Type 2 Diabetes and Obesity (BMI ≥ 27.5) Over 4 Years
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Abstract
RYGB surgery resulted in a decrease in total healthcare costs from $8,483 in the first year to $672 in the second year.
- A1C levels improved significantly from 8.6% at baseline to 6.2% in the first year after RYGB.
- BMI decreased from 30.7 kg/m² at baseline to 24.3 kg/m² in the first year following RYGB.
- The health utility score for the RYGB group was 3.756, compared to 3.594 for the CMM group over four years.
- The incremental cost-utility ratio for RYGB was US$19,359 per quality-adjusted life year gained, which is below the willingness-to-pay threshold of $20,277/QALY.
- In contrast, A1C levels in the CMM group fluctuated without significant improvement over four years.
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