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Statistical models versus machine learning approach for competing risks in proctological surgery.
Updates Surg
January 2025
Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy.
Clinical risk prediction models are ubiquitous in many surgical domains. The traditional approach to develop these models involves the use of regression analysis. Machine learning algorithms are gaining in popularity as an alternative approach for prediction and classification problems.
View Article and Find Full Text PDFPrediction of implant failure risk due to periprosthetic femoral fracture after primary elective total hip arthroplasty : a simplified and validated model based on 154,519 total hip arthroplasties from the Swedish Arthroplasty Register.
Bone Joint Res
January 2025
Department of Orthopaedics, Institute of Clinical Sciences, University of Gothenburg, Gothenburg, Sweden.
Aims: While cementless fixation offers potential advantages over cemented fixation, such as a shorter operating time, concerns linger over its higher cost and increased risk of periprosthetic fractures. If the risk of fracture can be forecasted, it would aid the shared decision-making process related to cementless stems. Our study aimed to develop and validate predictive models of periprosthetic femoral fracture (PPFF) necessitating revision and reoperation after elective total hip arthroplasty (THA).
View Article and Find Full Text PDFReversal of Roux-en-Y Gastric Bypass: A Multi-Centric Analysis of Indications, Techniques, and Surgical Outcomes.
Obes Surg
January 2025
Department of Surgery and Transplantation, University Hospital of Zurich, University of Zurich, Zurich, Switzerland.
Background: Roux-en-Y gastric bypass may present long-term complications that require revisional surgery or even reversal to normal anatomy. Data on the indications, surgical technique, and outcomes of RYGB reversal remain scarce.
Methods: We identified 48 cases of RYGB reversals with complete 90-day follow-up within a multi-centric international retrospective database of elective secondary bariatric surgery.
Predictors of mayoral reelection in Romanian local elections. Long-term analysis 1996-2016.
Heliyon
November 2024
Department of Political Sciences, International Relations and European Studies, Faculty of Philosophy and Social-Political Sciences, University "Al.I.Cuza", Iasi, Romania.
This study aims to analyze the mayoral reelection rates in Romanian local elections between 1996 and 2016, a period marked by significant economic and political transitions. Given the post-communist context, understanding these dynamics is crucial for grasping Romania's evolving electoral behavior. In order to evaluate the dynamics of mayoral reelection rates in post-communist Romania, the primary research objective of the study consists in the assessment of the correlation between electoral participation and preferences for the incumbent mayors.
View Article and Find Full Text PDFRationale: Patients with obesity hypoventilation syndrome (OHS) have high risk of hospitalization, which might be decreased by home mechanical ventilation (HMV).
Objectives: To evaluate annualized hospitalization rate (AHR) and change in AHR in patients with OHS starting home mechanical ventilation (HMV), and explore if there were any difference in AHR by starting HMV acutely or electively.
Methods: Population-based longitudinal study of patients with OHS starting HMV in the Swedish DISCOVERY cohort between 1996 and 2018, cross-linked with the National Patient Registry for national data on hospital admissions.
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