Showing 14,121 - 14,140 results of 14,865 for search 'Operational data analysis', query time: 0.26s Refine Results
  1. 14121

    Prediction of contact resistance of electrical contact wear using different machine learning algorithms by Zhen-bing Cai, Chun-lin Li, Lei You, Xu-dong Chen, Li-ping He, Zhong-qing Cao, Zhi-nan Zhang

    Published 2024-01-01
    “…Characteristic analysis shows that the load and current have great influence on the predicted electrical contact properties. …”
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  2. 14122

    High immunocompetence in chronic hepatitis patients with normal alanine transaminase levels and and negative hepatitis B e‐antigen for the progression of liver fibrosis by Bianqiao Cheng, Dandan Wu, Ming Zhang, Shiming Chen, Xunyuan Wu, Jingjing Zhong, Meimei Wu, Miaomiao Huo

    Published 2024-01-01
    “…Methods We collected the clinical data of 57 patients with CHB, with normal ALT levels and negative HBeAg from December 2020 to December 2022. …”
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  3. 14123

    Neurons Communication in the Hippocampus of Field CA3 of the White Rat Brain after Acute ischemia by A. S. Stepanov, V. A. Akulinin, S. S. Stepanov, D. B. Avdeev, A. V. Gorbunova

    Published 2018-10-01
    “…The main group included animals in the reperfusion period (1, 3, 7, 14, 21, and 30 days; n=30), comparison group — falsely operated animals (n=20). Morphometric analysis was performed using ImageJ 1.46, the verification of statistical hypotheses — Statistica 8.0.Results. …”
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  4. 14124

    Robot-Assisted Surgery for Endometrial Cancer Using KangDuo versus Da Vinci Systems: A Retrospective Comparative Study by Liu T, Ma L, Wang Y, Wang B, Xu Y, Gao Y, Yu G, Gao J, Chen J

    Published 2025-07-01
    “…A comprehensive statistical analysis was conducted on their perioperative clinical data, encompassing preoperative, intraoperative, and postoperative parameters.Results: A total of 211 patients were enrolled in this study, including 125 in the KD-RAS group and 86 in the DV-RAS group. …”
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  5. 14125

    Ultrasonographic differentiation of medullary thyroid carcinoma from papillary thyroid carcinoma: quantitative comparison of morphologic features and different TIRADS risk categori... by Xiaoyu Li, Jiejie Yao, Weiwei Zhan, Wei Zhou

    Published 2025-05-01
    “…Abstract Introduction Comparative Analysis of Ultrasonographic Features and Risk Stratification of Kwak-TIRADS, C-TIRADS, and ACR-TIRADS in Medullary versus Papillary Thyroid Carcinomas. …”
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  6. 14126

    The impact of insulin resistance on long-term outcomes in heart failure: a systematic review by Soumya Sri Pichuka

    Published 2025-07-01
    “…Search terms included mesh (insulin resistance, heart failure, Mortality, hospitalisation) and non-mesh (Long-term outcomes) terms. Boolean operations and truncations were used to refine results.Inclusion criteria included studies assessing IR in patients with HF (both preserved and reduced ejection fractions), and studies that reported long-term outcomes (≥6 months) addressing mortality, hospitalisations or functional decline.Exclusion criteria included studies focusing solely on T2DM without IR analysis, studies with an extremely small sample size (<50), or with high methodological bias, or with follow-up periods, where relevant.Tools, such as the Newcastle Ottawa scale and Cochrane’s risk of bias, were used to minimise bias and data were extracted into a table for comparison. …”
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  7. 14127

    Safety and Efficacy of Ureteroscopic Treatment for Ureteral and Renal Stones in Patients of Cirrhosis with Coagulopathy: A Multicenter Experience by Jiaxing Li, Xin Zhang, Meng-Hua Wu, Hui Liu, Xin Zheng

    Published 2025-07-01
    “…The study included 85 cirrhotic patients with coagulopathy and 85 patients with normal coagulation function as controls. Perioperative data, including blood counts, coagulation profiles, surgical time, hospital stay, immediate stone clearance rates, and complications, were compared between the groups. …”
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  8. 14128

    Establishment of nomogram of early death in elderly pancreatic cancer patients with liver metastasis by Yang Wu, Tian Li, Runbing Zhang, Tingting Shi, Shunna Wang, Lingling Zhu, Yani Zhang, Xiaofeng Zheng, Xiaohui Yu, Jiucong Zhang

    Published 2025-03-01
    “…Lastly, the nomogram is verified by the receiver operating characteristic (ROC) curve, area under the curve (AUC), calibration curve, and decision curve analysis (DCA). …”
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  9. 14129
  10. 14130

    Contrast-Enhanced CT-Based Radiomics Nomogram for Prediction of Pathologic T3a Upstaging in Clinical T1 RCC by Di Yin, Keruo Wang, Hongyi Xu, Yunfei Guo, Baoxin Qian, Dengyi Duan, Yiming Li, Wenyi Zhang, Zhengyang Li, Yang Zhao

    Published 2025-02-01
    “…<b>Methods</b>: A total of 169 cT1 patients with RCC with preoperative contrast-enhanced CT (CECT) and clinical data were enrolled in this study. Afterwards, the sample was split randomly into training and testing sets in a 7:3 ratio. …”
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  11. 14131

    Studio sui NEETs. Credenze, paure e percezioni delle giovani generazioni stigmatizzate by Marco Schiavetta

    Published 2020-09-01
    “…The research, which involved 82 young people aged between 18 and 24 years, began in November 2015 and ended with the analysis of data collected in December 2018. In line with the methodological indications of the constructivist Grounded Theory (GT) (Charmaz, 2000, 2006, 2014), field research was immediately accompanied by open coding, using all that was useful for saturation of the categories. …”
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  12. 14132

    The effect of blood glucose levels on serum triglyceride clearance in patients with hyperlipidemic acute pancreatitis by Yuxin Liu, Shuqi Qin, Si Dai, Jing Zhou, Zhendan Wang, Guojian Yin

    Published 2025-01-01
    “…The optimal TG threshold was obtained by receiver operating characteristic (ROC) analysis to differentiate TG fast-clearance patients from TG slow-clearance patients, as defined in this study. …”
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  13. 14133

    25-hydroxyvitamin D as a predictor of reduced heart rate variability in elderly patients with diabetes mellitus by Tiantian Tang, Xinyu Sun, Xiaoxiang Zhang, Jiaojiao Li, Manjie Wang, Cancan Hui, Yuwei Cheng, Xiaoming Kong, Yan Sun

    Published 2025-04-01
    “…Statistical analyses included χ² test, independent t-test, Mann-Whitney U test, and multivariate logistic regression to identify risk factors for HRV reduction. Receiver operating characteristic (ROC) curve analysis was performed to assess the predictive value of these factors.ResultsCompared with the normal HRV group, the decreased HRV group had significantly lower HDL-C and 25-(OH)D levels but higher prevalence of DN, along with elevated 24hUTP, MAlb, UACR, TG/HDL-C, and UA/HDL-C (all P &lt; 0.05). …”
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  14. 14134

    Recent advances in diagnosis and treatment of primary membranous nephropathy by HU Xiaofan, XU Jing

    Published 2025-06-01
    “…The combined disease risk score integrating susceptibility loci identified through genome-wide association studies (GWAS) (such as PLA2R1 and HLA-DQA1) with serum antibodies has significantly improved the accuracy of non-invasive diagnosis (area under the receiver operating characteristic curve reaching 0.96). Additionally, gut microbiome analysis demonstrates diagnostic potential, though its clinical application requires further optimization. …”
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  15. 14135

    Study on anti-reflection of deep soft and high gas coal seam floor by deep hole controlled blasting by Jian-yu Zhang, Yi-xin Gong

    Published 2024-10-01
    “…A bidirectional loading gas–solid coupling blasting simulation system was established in the laboratory, enabling multi-faceted analysis of experimental models through macroscopic crack patterns, internal damage mechanisms, and strain data of coal and rock masses. …”
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  16. 14136

    Validation of the Distress Thermometer for detecting psychological distress in patients with stable chronic obstructive pulmonary disease: optimal cut-off score and influencing fac... by Xu Tian, Xiaoling Liu, Xiuni Gan, Maria F. Jimenez-Herrera, Hongcai Shang, Yi Ren

    Published 2025-08-01
    “…Receiver Operating Characteristics (ROC) analysis was employed to determine the predictive metrics of various DT cut-off scores compared to the HADS. …”
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  17. 14137
  18. 14138

    Current Practices in Antibiotic Prophylaxis for Transoral Endoscopic Thyroid and Parathyroid Surgery: A Comparative Study by Mehmet Ilker Turan, Senay Ozturk Durmaz, Mehmet Celik, Nedim Akgul

    Published 2025-05-01
    “…The statistical analysis comprised <i>t</i>-tests, chi-square tests, and logistic regression, adjusting for confounders like age and sex. …”
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  19. 14139

    Preoperative Steroid Use in Rhegmatogenous Retinal Detachment Associated with Choroidal Detachment after 23-Gauge Vitrectomy by Jianhua Wu, Rui Zhang, Junwen He, Changzhong Xu, Zhaohui Li

    Published 2020-01-01
    “…Preoperative, intraoperative, and postoperative data were compared. Results. The rates of retinal reattachment in Group A after the first and second operations were 68.8% (24/35 eyes) and 91.43% (32/35 eyes), respectively, which were not significantly different from that of Group B (78.1%, 25/32 eyes; 96.6%, 31/32 eyes). …”
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  20. 14140

    The blood urea nitrogen-to-creatinine ratio is associated with acute kidney injury among COVID-19 patients by Xiaoli Zhong, Xuejie Wang, Xiaobei Feng, Haijin Yu, Zijin Chen, Xiaonong Chen

    Published 2025-12-01
    “…Cox regression and receiver operating characteristic (ROC) curve analyses were performed.Results Five hundred and sixty-seven COVID-19 patients were enrolled, 44.1% of whom were male. …”
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