Predicting Screening Factors for an Obesity Team’s Decision: A large Retrospective Cohort study

Author(s): Lodewijks Y, de Zoete JP, Van der Ven R, Schiffer A, Nienhuijs S


The magnitude of the effect of bariatric surgery depends on the willingness and the ability of patients to adapt a healthier lifestyle. Therefore, it is worthwhile to know how to select patients for surgery and/or preoperative interventions.


To investigate the predictors for a disapproval at the time, direct approval or a prehabilitation program for bariatric surgery candidates after multidisciplinary evaluation.


Data on the SQ-48 total score, the RAND-36 total score, the general screening questionnaire, age, Body Mass Index (BMI), and the result of the multidisciplinary consultation were collected from all patients who participated in the screening process between February 2017 and February 2020. A multinomial logistic regression analysis was performed.


Of the 2,063 included patients, 627 (30.4%) were approved for surgery, 1,275 (61.8%) received a preoperative trajectory advise and 161 (7.8%) were denied. Eleven variables appeared to be significant predictors for the result of the multidisciplinary consultation; gender, age, BMI, RAND-36 total score, SQ-48 total score, binging score, craving score, consciously eating, psychological help score, excessive drug use in the past and the impulsiveness score.


Although the predicting model might not be applicable to other centers, it could attribute to enhance patient selection and thereby improve healthcare logistics.

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