Readmissions are an important quality metric for surgery. Here, we compare characteristics of readmissions across laparoscopic Roux-en-Y gastric bypass (LRYGB), sleeve gastrectomy (LSG), and adjustable gastric band (LAGB).Demographic, intraoperative, anthropometric, and laboratory data were prospectively obtained for 1775 patients at a single academic institution. All instances of readmissions within 1 year were recorded. Data were analyzed using STATA, release 12.For the 1775 patients, 113 (6.37 %) were readmitted. Mean time to readmission was 52.1 days. Of all the readmissions, 64.6 % were within 30 days, 22.1 % from 30 to 90 days, 1.77 % from 90 to 180 days, and 11.5 % from 180 to 365 days. Incidence of 30-day readmissions varied across surgeries (LRYGB: 7.17 %; LAGB: 3.05 %; LSG: 4.25 %, p?=?0.04). Time to readmission varied as well, with 90.0 % of LSG and 80.0 % of LABG patients within the first 30 days, versus 60.8 % of LRYGB (p?=?0.02). The most common causes of readmissions were gastrointestinal issues related to index procedure (34.5 %) and did not vary across surgeries. In multivariable logistic regression, index hospital length of stay (LOS) was associated with readmission (OR?=?1.07, 95 % CI 1.02-1.13, p?=?0.01).Readmissions after bariatric surgery are associated with high index hospital LOS, and a measureable proportion of procedure-related readmissions can occur up to 1 year, especially for LRYGB.
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