Showing 12,621 - 12,640 results of 14,865 for search 'Operational data analysis', query time: 0.28s Refine Results
  1. 12621

    Increased NT-proBNP levels and cardiac ventricular function during aortic valve replacement (pilot study) by I. A. Kozlov, L. A. Krichevskiy, V. Yu. Rybakov

    Published 2023-07-01
    “…Logistic regression and ROC analysis were used for data processing.Results. Preoperative blood levels of NT-proBNP > 1000 (3163.0[2507.25–7319]) pg/ml were recorded in 55.6% of patients. …”
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  2. 12622

    Exploring the experiences and preferences of South Asian patients' of primary care in England since COVID‐19 by Nicola Small, Yumna Masood, Fiona Stevenson, Benjamin C. Brown, Caroline Sanders, Brian McMillan, Helen Atherton, Tandrima Mazumdar, Nigat Ara, Humera Haqqani, Sudeh Cheraghi‐Sohi

    Published 2024-02-01
    “…Methods Qualitative study. 37 participants (from Indian, Pakistani and/or Bangladeshi background) were recruited to take part in either in‐person preferred language focus groups or remote semistructured interviews in the English language. Thematic analysis was conducted to identify themes in the qualitative data. …”
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  3. 12623

    Video game-based application for fall risk assessment: a proof-of-concept cohort studyResearch in context by Antao Ming, Tanja Schubert, Vanessa Marr, Jaqueline Hötzsch, Sebastian Stober, Peter R. Mertens

    Published 2024-12-01
    “…Adjusted risk classification accuracies of TUG, DGI, and BBS reached 58.7%, 58.3%, and 47.5%, respectively. Data analyses from gaming sessions in seated and standing positions yielded two models with six predictors from the four games with accuracies of 82.8% and 88.6% (area under the receiver-operating-characteristic curve 0.84 (95% confidence interval (CI): 0.77–0.91) and 0.91 (95% CI: 0.85–0.97), respectively). …”
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  4. 12624

    Clinical validation and application value exploration of multi-modal pulmonary nodule diagnosis model by XU Wanxing, WANG Lin, GUO Qiaomei, WANG Xueqing, LOU Jiatao

    Published 2024-08-01
    “…The receiver operator characteristic curve (ROC curve) and area under the curve (AUC) were used to evaluate the performance of different models, and the DeLong test was used for comparative analysis, including the diagnostic performance of MPI-RF in different types (solid nodule, pure ground-glass nodule and part-solid nodule) and sizes (diameter<8 mm and diameter≥8 mm) of pulmonary nodules, the diagnostic performance comparison of MPI-RF with Mayo Clinic model, veterans administration (VA) model and Brock model, and the diagnostic performance comparison of MPI-RF with lung imaging reporting and data system (Lung-RADS) in benign and malignant nodules. …”
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  5. 12625

    A Novel Neuro-Probabilistic Framework for Energy Demand Forecasting in Electric Vehicle Integration by Miguel Ángel Rojo-Yepes, Carlos D. Zuluaga-Ríos, Sergio D. Saldarriaga-Zuluaga, Jesús M. López-Lezama, Nicolas Muñoz-Galeano

    Published 2024-10-01
    “…The proposed methodology, tailored to the specific context of Medellin, Colombia, provides valuable insights for optimizing charging infrastructure and grid operations. Based on collected local data, mathematical models are developed and coded to accurately reflect the characteristics of EV charging. …”
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  6. 12626

    Prediction model for cytomegalovirus infection following hematopoietic stem cell transplantation in patients with β-thalassemia major by Lin Pan, Zhenbin Wei, Yanni Xie, Zhaoping Gan, Hongwen Xiao, Lianjin Liu, Lingling Shi, Zhongming Zhang, Meiqing Wu, Yinghua Chen, Yanye Liu, Xuemei Zhou, Chan Li, Chunjie Qin, Yongrong Lai, Rongrong Liu

    Published 2025-07-01
    “…The model’s performance was evaluated by the concordance index (C-index), receiver operating characteristic curves, calibration plots, and decision curve analysis. …”
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  7. 12627

    A novel model based on clinical and computed tomography (CT) indices to predict the risk factors of postoperative major complications in patients undergoing pancreaticoduodenectomy by Jiaqi Wang, Kangjing Xu, Changsheng Zhou, Xinbo Wang, Junbo Zuo, Chenghao Zeng, Pinwen Zhou, Xuejin Gao, Li Zhang, Xinying Wang

    Published 2024-12-01
    “…Subsequently, a predictive model was constructed based on the results of least absolute shrinkage and selection operator (LASSO) multivariate logistic regression analysis and stepwise (stepAIC) selection. …”
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  8. 12628

    Early Warning and Assessment of Chinese Marathon Events' Exposure to High Temperature under Climate Warming by Yu Dandan, Shi Yong, Chen Shuman, Mei Yuru

    Published 2025-04-01
    “…In assessment technology, it breaks the traditional single-factor analysis framework, integrating an "intensity-quantity-value" three-dimensional model for comprehensive risk evaluation, integrating a refined early warning system with region-specific management measures, this approach ensures the safe operation and sustainable development of events. …”
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  9. 12629

    Endothelial activation and stress index is a reliable predictor for the prevalence and mortality outcomes of stroke by Yongwei Huang, Zongping Li, Jianjun Wang, Decai Wang, Xiaoshuang Yin

    Published 2025-07-01
    “…To validate our hypothesis, we deployed the National Health and Nutrition Examination Survey data. This cohort study employed 1999–2018 NHANES data. …”
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  10. 12630

    Efficacy comparison of natural orifice specimen extraction surgery and conventional laparoscopic surgery for right colon cancer by Zhang Xin, Wang Yuliuming, Jin Yinghu, Hu Hanqing, Wang Xin, Yang Yihaoran, Wang Guiyu

    Published 2023-10-01
    “…[Methods] A retrospective analysis of clinical data from 53 patients with right colon cancer who underwent minimally invasive surgery at the Department of Colorectal Surgery, the Second Affiliated Hospital of Harbin Medical University from May 2013 to May 2017. …”
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  11. 12631
  12. 12632

    Serum LEAP2 Levels Across the Spectrum of Metabolic Dysfunction-Associated Fatty Liver Disease: A Potential Noninvasive Biomarker for Severity Stratification by Huang X, Deng Z, Li X, Yan S, Zhong K, Yuan F, Liu L, Deng C, Liu T, Zhao R, Buhe A, Li T, Zhao H

    Published 2025-07-01
    “…The diagnostic performance of LEAP2 was evaluated through receiver operating characteristic (ROC) curve analysis. Additionally, Hepatic LEAP2 transcriptomic data from public Gene Expression Omnibus (GEO) datasets (GSE126848, GSE135251) were analyzed for validation.Results: Seventy-four participants (24 HC, 24 SS, 26 MASH) were analyzed. …”
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  13. 12633

    Abstract 232: Endovascular Thrombectomy for Distal Vessel Occlusions in Early vs Extended Time Window by Amol T. Mehta, Christopher M. Kellner, Tomoyoshi Shigematsu, Hazem Shoirah, Michael T. Caton, Thomas J. Oxley, Reade DeLeacy, J. Mocco, Johanna Fifi, Shahram Majidi

    Published 2023-11-01
    “…Of these, 214 had all relevant data. 147 (68.7%) underwent EVT in the early window and 67 (31.3%) received EVT in the extended window. …”
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  14. 12634
  15. 12635
  16. 12636

    Cardiopulmonary Bypass Time During Surgery for Acute Type A Aortic Dissection and Mid-Term Survival by Mikko Uimonen, Christian Olsson, Anders Jeppsson, Arnar Geirsson, Vibeke Hjortdal, Emma C. Hansson, Igor Zindovic, Jacob Ede, Jarmo Gunn, Anders Wickbom, Tomas Gudbjartsson, Ari Mennander

    Published 2025-04-01
    “…In addition, the patients were divided into those that underwent surgery with >210 min (n = 369) or <210 min CPB time (n = 605) based on spline analysis and a receiver operating characteristic curve. …”
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  17. 12637

    Prognostic Value of the AST/ALT Ratio in Patients with Septic Shock: A Prospective, Multicenter, Registry-Based Observational Study by Sungwoo Choi, Sangun Nah, Gil Joon Suh, Sung-Hyuk Choi, Sung Phil Chung, Won Young Kim, Tae Ho Lim, Sangchun Choi, Tae Gun Shin, Sangsoo Han

    Published 2025-07-01
    “…<b>Methods</b>: A retrospective analysis was performed on data from a prospective registry of septic shock patients, collected across multiple centers from October 2015 to December 2022. …”
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  18. 12638

    Performance assessment and optimization of Ti6Al4V helical hole milling process by Gururaj Bolar, Vikas Marakini, Raviraj Shetty, Sawan Shetty, Adithya Hegde

    Published 2025-01-01
    “…The results demonstrate that the chosen process variables influence the performance of the helical milling operation. In the case of predictive models, BPANN performs better than the RSM technique in accurately predicting the data, with errors of 2.31%, 2.32%, 1.56%, and 1.24% for TF, RF, MT, and SR, respectively. …”
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  19. 12639

    Assessing Acute Pericarditis with T1 Mapping: A Supportive Contrast-Free CMR Marker by Riccardo Cau, Francesco Pisu, Roberta Montisci, Tommaso D’Angelo, Cesare Mantini, Rodrigo Salgado, Luca Saba

    Published 2024-11-01
    “…The receiver operating characteristic curve analysis showed that the diagnostic performance of pericardial T1 mapping in discriminating acute pericarditis patients was excellent, with an area under the curve of 0.97 (95% CI = 0.94–0.98), using a threshold of 2862.5 ms. …”
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  20. 12640

    Reproducibility Experimentation among Computer-Aided Inspection Software from a Single Point Cloud by Ibtissem Jbira, Antoine Tahan, Serge Bonsaint, Mohamed Ali Mahjoub, Borhen Louhichi

    Published 2019-01-01
    “…., treatment of outliers, noise filtering, and missing data). This means that the operator conducting the analysis must decide on which algorithm to use. …”
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