Diagnostic accuracy of 4D-MRA for the detection and localization of spinal dural arteriovenous fistulas: A retrospective 10-year cohort study by Frederick J.A. Meijer, Vincent Raymaekers, Sjoert A.H. Pegge, Jeroen HD. Boogaarts

“…Diagnostic performance measures of 4D-MRA were calculated (sensitivity, positive predictive value, specificity, and negative predictive value) with DSA serving as the reference standard. …”
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Factors Affecting the Accuracy of Endoscopic Ultrasonography in the Diagnosis of Early Gastric Cancer Invasion Depth: A Meta-analysis by Ding Shi, Xiao-xia Xi

“…The SROC was drawn, and the area under the curve (AUC) was calculated to evaluate the diagnostic value. Results. …”
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An Analytical Perspective on Determination of Free Base Nicotine in E-Liquids by Vinit V. Gholap, Rodrigo S. Heyder, Leon Kosmider, Matthew S. Halquist

“…Solvent extractions resulted in flavor dependent inaccuracies in free base nicotine determination (5 to 277% of calculated values). The without-dilution approach was carried out using 1H NMR as described by Duell et al. …”
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Improved Continuous Wavelet Transform for Modal Parameter Identification of Long-Span Bridges by Mingjin Zhang, Xu Huang, Yongle Li, Hao Sun, Jingyu Zhang, Bin Huang

“…The modal parameters such as modal frequency, damping ratio, and mode shape were obtained. Compared with the calculation value of the numerical simulation of long-span cable-stayed bridge and wind tunnel test of long-span suspension bridge, the reliability of CWT for modal parameter identification of long-span bridges under ambient excitation was verified.…”
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Association between non-high-density lipoprotein cholesterol to high-density lipoprotein cholesterol ratio and telomere length: the NHANES 1999–2002 by Mingjie Liu, Chendong Wang, Bai Wei

“…This study aims to investigate their association in a nationally representative US population.MethodsData from 6,342 adults aged ≥20 were obtained from the National Health and Nutrition Examination Survey (NHANES) 1999–2002. The NHHR was calculated and categorized into tertiles. TL was measured as the telomere-to-standard reference DNA ratio. …”
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Complex Power System Status Monitoring and Evaluation Using Big Data Platform and Machine Learning Algorithms: A Review and a Case Study by Yuanjun Guo, Zhile Yang, Shengzhong Feng, Jinxing Hu

“…To fully investigate the proposed structure, three major applications are introduced: development of power grid topology and parallel computing using CIM files, high-efficiency load-shedding calculation, and power system transmission line tripping analysis using 3D visualization. …”
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SYNTHESIS OF DESIGN PARAMETERS OF MULTI-PURPOSE DYNAMIC SYSTEMS by Oleksandr Kutsenko, Mykhailo Alforov, Andrii Alforov

“…Analytical results have been obtained that make it possible to calculate the mathematical expectation of the criterion under the normal multidimensional distribution law of the vector of random initial perturbations. …”
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Herbicidal and Antibacterial Secondary Metabolites Isolated from the <i>Nicotiana tabacum</i>-Derived Endophytic Fungus <i>Aspergillus japonicus</i> TE-739D by Haisu Wang, Xiaolong Yuan, Xinrong Huang, Peng Zhang, Gan Gu

“…Their chemical structures were elucidated by detailed spectroscopic analyses and quantum chemical calculations. In the herbicidal assays on the germination and radicle growth of <i>Amaranthus retroflexus</i> L. and <i>Eleusine indica</i> seeds, compound <b>1</b> was found to inhibit the germ and radicle elongation. …”
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Cost-effectiveness evaluation of neonatal emergency transport organization in Italy by Carlo Bellini, Maurizio Gente, Diego Minghetti, Luca A. Ramenghi

“…Methods: Using data from the 2023 national NETS survey conducted by the Italian Society of Neonatology, regional cost-effectiveness of operating the system were calculated. These were compared with ideal costs for on-call and dedicated NETS models, based on a previously established methodology. …”
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Relationship between the Optical Properties and Chemical Composition of Urban Aerosol Particles in Lithuania by Julija Pauraite, Kristina Plauškaitė, Vadimas Dudoitis, Vidmantas Ulevicius

“…Furthermore, the absorption and scattering Angström exponents (AAE and SAE, respectively) and single-scattering albedo (SSA) were calculated. The average AAE value at 470/660 nm was 0.97 (SD = 0.16) indicating traffic-related black carbon (BCtr) dominance. …”
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Numerical study of the plasticity effect on the behavior of short steel columns filled with concrete loaded axially by Yousria Boulmaali-Hacene Chaouche, Nadia Kouider, Kamel Djeghaba, Bachir Kebaili

“…In this paper, we study the axial compression behavior of short circular steel tubes filled with concrete; their modelling will be performed using the ABAQUS/Standard calculation program. In order to accurately determine their behavior, we have created different models. …”
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Impact of High Thermal Setting and Fluid Activities on Sandstone Compaction: A Case Study of the Baiyun Sag in the Pearl River Mouth Basin (Northern South China Sea) by Chi Li, Jinglan Luo, Caiwei Fan, Shanshan Li, Shijiu Wu, Chuan Lei, Kunpeng Song

“…The characteristics of compaction and the effect of thermal fluid activities on reservoir physical properties are carried out, based on the observation and identification of sandstone thin sections under a microscope, the measurement and simulation of the temperatures and trapping pressures of fluid inclusions, and the calculation of the compaction porosity loss as well. …”
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Image-based 3D mesoscopic modeling and thermo-mechanical properties prediction of SiC/SiC composites with different preforms by Han Zeng, Xin Jing, Yasong Sun

“…Finally, the stress and heat flux distributions of the two composites are calculated and analyzed, and the elastic modulus and thermal conductivity are predicted. …”
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Involvement of Russian student youth in Internet communications as a factor in the formation of models of their socio-political activity by E. A. Istyagina-Yeliseeva, C. E. Barijenikova, A. V. Boldyreva

“…Using the methods of mathematical statistical analysis, the forms of Internet activity of young people have been studied and considered as factors of integration values political activities in dispositional personality structure, political orientation and willingness to co-operate with various actors power relations (political institutions, social movements, parties, groups of political activists), as well as acceptable forms of political behavior. Using the calculation of indices, determining measures of Central trend and variation, as well as other quantitative and qualitative diagnostic tools, a comparative analysis of the results of various sociological studies on the relationship between the level of youth involvement in the Internet space and the degree of political activity has been carried out. …”
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Assessment of inappropriate use of antibiotics and contributing factors in Awi Administrative Zone, Northwestern Amhara regional State, Ethiopia by Belsti Atnkut, Atalaye Nigussie, Bekele Gebreamanule, Bulti Kumera, Tess Astatkie

“…The adjusted odds ratio was used to calculate the statistical significance of the correlation at a significance level of 5 %. …”
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Lower Limb Ground Reaction Force and Center of Pressure Asymmetry During Bodyweight Squats by Kelci B. Hannan, Adam C. King

“…Peak vertical ground reaction force, force impulse, and center of pressure (COP) standard deviation in the anterior-posterior (AP) and mediolateral (ML) direction were calculated and analyzed to identify any differences between legs, tempo, and as a function of repetitions. …”
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Heavy Oil Residue Upgrading With Iron Based Catalysts Under High Hydrogen Pressure by Muzaffer Yaşar, Solmaz Akmaz, Savaş Gürdal, Kadir Yılmaz

“…The amount of coke, liquid products and C5- gas products were calculated for each experiment. Gel Permeation Chromatography (GPC), Nuclear Magnetic Resonance (1H NMR) and elemental analysis were used for Iranian heavy oil residue. …”
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Development and Psychometric Assessment of the Parents\' Needs of Hospitalized Children Questionnaire by Nafiseh Zarei, Reza Negarandeh, Jamalodin Begjani, Elham Ghasemi, Mahboube Moradi

“…The reliability of the tool was determined by calculating the Cronbach's alpha coefficient and intra-cluster correlation coefficient. …”
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Indirect determination of hemoglobin A2 reference intervals in Pakistani infants using data mining by Muhammad Shariq Shaikh, Sibtain Ahmed, Saba Farrukh, Shahnawaz Bayunus

“…After excluding patients with multiple specimens, RIs were calculated for 22,713 infants, stratified into five age sub-groups. …”
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A Three-Vector Fast Model Predictive Control Method for Steady State Performance Improvement by Yongzhen Zhang, Pu Cheng, Kai Shen, Weiming He, Di Nian, Jun Pan

“…A zero vector is used to adjust the output voltage amplitude, and a new method for calculating the duty cycle of the voltage vectors is designed, considering the impact of dead-time on common-mode voltage. …”
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