Abstract
Purpose
Sleeve gastrectomy (SG) is a widely used and effective treatment for patients with obesity and comorbid metabolic abnormalities. No specialized tool is available to predict metabolic syndrome (MS) remission after SG. We presented a nomogram that evaluated the probability of MS remission in obese patients 1 year after SG.
Materials and Methods
Patients with preoperative MS who underwent SG were enrolled in this retrospective study. They were divided into a training set and a validation set. Multivariate logistic regression analysis was performed to identify independent predictors of MS remission, and these predictors were included in the nomogram. Receiver operating characteristic curve was used to evaluate discrimination. Calibration was performed with the Hosmer–Lemeshow goodness-of-fit test. The net benefits of the nomogram were evaluated using decision curve analysis (DCA).
Results
Three hundred and eighteen patients with a median age of 34.0 years were analyzed. A training set and a validation set with 159 individuals each were established. A combination of age, preoperative high-density lipoprotein cholesterol, elevated triglycerides and glycated hemoglobin level independently and accurately predicted MS remission. The nomogram included these factors. The discriminative ability was moderate in training and validation sets (Area under curve 0.800 and 0.727, respectively). The Hosmer–Lemeshow X2 value of the nomogram was 8.477 (P = 0.388) for the training set and 5.361 (P = 0.718) for the validation set, indicating good calibration. DCA showed the nomogram had clinical benefits in both datasets.
Conclusion
Our nomogram could accurately predict MS remission in Chinese patients with obesity 1 year after SG.
Graphical Abstract
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Data Availability
The data are not publicly available due to their containing information that could compromise the privacy of the research participants.
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Acknowledgements
This study was supported by grants from the Clinical Research Plan of SHDC (SHDC2020CR1017B) and Important Disease Joint Research Project in Xuhui Health Systems of Shanghai (XHLHGG202110).
Funding
This work was supported by Clinical Research Plan of SHDC, SHDC2020CR1017B, Yuqian Bao, Important Disease Joint Research Project in Xuhui Health Systems of Shanghai, XHLHGG202110, Yuqian Bao
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Key Points
1. A nomogram for MS remission in patients with obesity 1 year after SG is established.
2. The nomogram is composed of age, preoperative HDL-c, HbA1c, and presence of elevated TG.
3. The nomogram predicts MS remission after SG accurately with good calibration and clinical benefits.
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Pan, Y., Han, X., Tu, Y. et al. Nomogram for Predicting Remission of Metabolic Syndrome 1 Year after Sleeve Gastrectomy Surgery in Chinese Patients with Obesity. OBES SURG 34, 1590–1599 (2024). https://doi.org/10.1007/s11695-024-07156-x
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DOI: https://doi.org/10.1007/s11695-024-07156-x