Showing 1,541 - 1,560 results of 3,553 for search 'different threshold (method OR methods)', query time: 0.18s Refine Results
  1. 1541

    Factors Associated with Impaired Humoral Immune Response to mRNA Vaccines in Patients with Inflammatory Bowel Disease: A Matched-Cohort Analysis from the RisCoin Study by Katarina Csollarova, Leandra Koletzko, Thu Giang Le Thi, Paul R. Wratil, Ana Zhelyazkova, Simone Breiteneicher, Marcel Stern, Gaia Lupoli, Tobias Schwerd, Alexander Choukér, Veit Hornung, Oliver T. Keppler, Kristina Adorjan, Helga Paula Török, Sibylle Koletzko

    Published 2025-06-01
    “…We used data from the RisCoin cohort to investigate factors associated with a poor immune response to mRNA vaccination in these patients. <b>Methods</b>: From 4115 RisCoin participants, we matched 110 IBD patients by age and time interval since the second mRNA vaccination with 306 healthcare workers (HCW) without comorbidities (HCW-healthy) and 292 with medical conditions (HCW-plus); all were SARS-CoV-2 infection naïve. …”
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  2. 1542

    In Silico Assessment of the Influence of Talus Osteochondral Lesion Size and Location on Ankle Joint Stability using Tilted Talar Dome Plane Orientations by Lercan Aslan MD, Omer Subasi PhD, Bedri Karaismailoglu MD, FEBOT, Cihad C. Gedik, Batuhan Yuruk, Soheil Ashkani-Esfahani MD, Ilker Eren

    Published 2024-12-01
    “…Our study aims to evaluate the stress distribution and joint stiffness effect of OLTs on all the 9-cell partition zones of the talar dome in three different ankle positions during gait. Methods: A simplified ankle geometry of an adult female was computationally modeled with 1 mm of cartilage at both sides of the tibiotalar contact. …”
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  3. 1543

    In vivo variability of MRI radiomics features in prostate lesions assessed by a test-retest study with repositioning by Kevin Sun Zhang, Christian Jan Oliver Neelsen, Markus Wennmann, Thomas Hielscher, Balint Kovacs, Philip Alexander Glemser, Magdalena Görtz, Albrecht Stenzinger, Klaus H. Maier-Hein, Johannes Huber, Heinz-Peter Schlemmer, David Bonekamp

    Published 2025-08-01
    “…Radiomics feature (RF) extraction was performed from MRI segmentations accounting for intra-rater and inter-rater effects, and three different image normalization methods were compared. …”
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  4. 1544

    To estimation of contact-fatigue durability of thermo-chemically strengthened gears by Nikolay P. Onishkov, Victor I. Korotkin

    Published 2017-10-01
    “…However, these processes have essentially different mechanisms of contact-fatigue durability with fundamentally different mechanisms of the contact-fatigue life. …”
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  5. 1545

    Kombinasi Metode Rule-Based dan N-Gram Stemming untuk Mengenali Stemmer Bahasa Bali by Made Agus Putra Subali, Chastine Fatichah

    Published 2019-02-01
    “…To overcome the stemming weaknesses using rule-based, we use the n-gram stemming method, where the inflected word and stem word are converted to the n-gram form, then the level of similarity between the n-gram of the inflected word and the stem word is measured using the dice coefficient method, when the level of similarity meets the defined threshold value, then the stem word is displayed. …”
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  6. 1546

    Comparative Analysis of Grass Pollen Dynamics in Urban and Rural Ireland: Identifying Key Sources and Optimizing Prediction Models by Moisés Martínez-Bracero, Andrés M. Vélez-Pereira, Emma Markey, Jerry Hourihane Clancy, Roland Sarda-Estève, David J. O’Connor

    Published 2024-10-01
    “…The results showed that Carlow had higher pollen concentrations but shorter seasons than Dublin. The Swedish threshold method was the most accurate for Ireland, with the Wicklow Mountains identified as a significant pollen source. …”
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  7. 1547

    Small-molecule CGRP antagonist atogepant does not affect cortical spreading depression susceptibility in rats by Xuyan Jin, Andreia Morais, Yuichi Sasaki, Qingling Zhai, Pradeep Banerjee, Andrea Harriott, Cenk Ayata

    Published 2025-08-01
    “…We investigated whether the efficacy of atogepant in migraine is mediated by CSD suppression. Method We used Sprague-Dawley rats (n = 28 males, 28 females) to determine the electrical stimulation intensity threshold for CSD induction and the frequency of CSDs induced by continuous topical 1 M KCl application sequentially in the same animal, using intracortical glass microelectrodes under isoflurane anesthesia and full systemic physiological monitoring, including arterial blood pressure and blood gases. …”
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  8. 1548

    Sparsity adaptive channel estimation algorithm based on compressive sensing for massive MIMO systems by Li-jun GE, Hui GUO, Yue LI, Lan ZHAO

    Published 2017-12-01
    “…A sparsity-adaptive channel estimation algorithm based on compressive sensing was proposed for massive MIMO systems when the number of channel multi-paths was unknown.By exploiting the joint sparsity characteristics of the sub-channels,the proposed block sparsity adaptive matching pursuit (BSAMP) algorithm first selected atoms by setting a threshold and finding the position of the maximum backward difference,which reduces the energy dispersion caused by the non-orthogonality of the observation matrix and improves the performance of the algorithm.Then a regularization method was utilized to improve the stability of the algorithm.Simulation results demonstrate that the proposed algorithm recovers the channel state information accurately and shows a high computational efficiency.…”
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  9. 1549

    Ecological networks construction and optimization in the Longdong Loess Plateau: The advantages of self-organizing map and complex networks by Xueyu Huang, Lina Xiu, Zhixiang Lu, Jiahui Wang

    Published 2025-01-01
    “…In this study, a self-organizing map (SOM) model was utilized to optimize the ecological sources identification in the Longdong Loess Plateau. We used this method to identify different types of ecological sources. …”
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  10. 1550

    Effects of strict versus lenient rate control on exercise capacity in atrial fibrillation: a retrospective analysis by Jinna Chang, Qian Du, Yuting Liu, Dujuan Li, Haofeng Zhou, Yingxue Liao, Junshuo Zhu, Bingqing Bai, Xiangyang Liu, Huan Ma

    Published 2025-07-01
    “…However, no significant differences were detected in the anaerobic threshold or ventilation parameters among these groups. …”
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  11. 1551

    Sidewalk thermal comfort in street canyon and role of pavements under perpendicular sun rays during summer by D. Jareemit, M. Srivanit

    Published 2024-10-01
    “…This analysis helped identify the threshold for comfortable summer conditions in Thailand. …”
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  12. 1552

    Association between red cell distribution width—albumin ratio and all-cause mortality in intensive care unit patients with heart failure by Ni Li, Junling Li, Kai Wang

    Published 2025-01-01
    “…Multivariate adjusted Cox regression and subgroup analysis demonstrated that individuals in Q2 [hazard ratio (HR) 1.15, 95%CI 0.98–1.34], Q3 (HR 1.65, 95%CI 1.39–1.96) and Q4 (HR 2.16, 95%CI 1.74–2.68) had an increased risk of mortality compared to individuals in Q1 (p for trend &lt; 0.001), and this relationship was consistently observed across most subgroups, except for different ages. Subsequent analysis revealed that the inclusion of RAR significantly improved the prognostic value on the basis of SOFA and APACHE Ⅱ, and the concordance index increased from 0.636 to 0.658 for SOFA, from 0.682 to 0.695 for APACHE Ⅱ (p &lt; 0.001 for both).ConclusionThe study found that high level of RAR was independently associated with an increased risk of 1-year all-cause mortality in ICU patients with heart failure, with a stronger effect in young and middle-aged patients and a threshold effect, which could potentially serve as an early warning indicator for high-risk populations.…”
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  13. 1553

    Prognostic nutritional index as a potential predictor of prognosis in patients with sepsis: a retrospective cohort study by Mingyuan Pan, Zheng Li, Shanfeng Sheng, Xiao Teng, Yuyang Li

    Published 2025-07-01
    “…Restricted cubic splines (RCS) explored the potential dose—response relationship between PNI and mortality, and threshold analysis determined the critical threshold of PNI. …”
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  14. 1554

    Detectability of Subclinical Hypothyroidism and Thyroid Stimulating Hormone Levels Associated with Cardiovascular Diseases in Patients of North-West Region Hospital by A. R. Volkova, O. D. Dygun, O. N. Zhdanova, B. G. Lukichev, L. A. Belyakova, E. M. Sereda

    Published 2019-05-01
    “…To study the detectability of subclinical hypothyroidism, the range of thyroid-stimulating hormone values associated with CVD in patients who seek medical care at the multidisciplinary hospital of the North-West region.Material and methods. 1340 patients of different sex and age with normal TSH value (0.4-2.5 mlU/l) and subclinical hypothyroidism were included into the study. …”
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  15. 1555

    Association Between Inflammation Indices Derived From Complete Blood Count and Coronary Artery Calcification by He Y, Li L, Zhou T, Yang H, Liu T, Hu H

    Published 2025-03-01
    “…Multivariate logistic regression analysis, smooth curve fitting, and threshold effect analysis were subsequently used to explore the potential linear or nonlinear relationships between CBC-derived inflammation indices and CAC. …”
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  16. 1556

    Vincristine Regulates C/EBP-&beta;/TGF-&beta;1 to Promote A1 Astrocyte Polarization and Induce Neuropathic Pain by Chen Y, Tang G, Lu J, Tang S, Xiong X, Chen C, Pei L, Shi J

    Published 2025-02-01
    “…This study aims to clarify the mechanism of C/EBP-β regulating TGF-β 1 mediated spinal astrocyte A1/A2 polarization in the neuropathic pain caused by vincristine.Methods: Neuropathic pain model was established in rats by intraperitoneal injection of Vincristine (VCR). …”
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  17. 1557

    The effect of cognitive emotion regulation on direct-acting antivirals adherence in patients with hepatitis C by Adina Turcu-Stiolica, Irina Paula Doica, Bogdan Silviu Ungureanu, Mihaela-Simona Subtirelu, Dan Nicolae Florescu, Razvan-Aurelian Turcu-Stiolica, Ion Rogoveanu, Dan-Ionut Gheonea

    Published 2024-11-01
    “…Also, we explored the threshold of DAAs adherence for obtaining sustained virologic response (SVR) among patients with HCV, in order to better implement a strategy that improves the DAAs adherence in the future clinical practice.MethodsA single-arm prospective study was performed. …”
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  18. 1558

    Occurrence and Exposure Assessment of Rare Earth Elements in Zhejiang Province, China by Shufeng Ye, Ronghua Zhang, Pinggu Wu, Dong Zhao, Jiang Chen, Xiaodong Pan, Jikai Wang, Hexiang Zhang, Xiaojuan Qi, Qin Weng, Zijie Lu, Biao Zhou

    Published 2025-05-01
    “…This may be attributed to differences in moisture content, root absorption mechanisms, and processing methods. …”
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  19. 1559

    Heterogeneity in susceptibility and connectivity for epidemic models by Mr Tarek Alrefae

    Published 2025-03-01
    “…Methods: We extend previous work (Gomes 2022) by considering distributions for these two sources of heterogeneity other than gamma, and showcase the relation between the distribution choice and HITs/attack rates. …”
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  20. 1560

    The role of clinical and immunological parameters in predicting the effectiveness of additional immunotropic therapy in oxygen-dependent patients with COVID-19 coronavirus disease by O. V. Riabokon, V. V. Cherkaskyi, Yu. Yu. Riabokon, A. V. Vynokurova

    Published 2023-12-01
    “…JPZ804I382130ARCN10-J). Results. Threshold levels of immunological parameters at different stages of observation, which have prognostic value regarding the risk of a fatal outcome of COVID-19, have been established. …”
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