Showing 1,721 - 1,740 results of 18,849 for search 'sample random sampling', query time: 0.16s Refine Results
  1. 1721

    Lipids, Apolipoproteins, Lipid‐Lowering Drugs, and the Risk of Cerebral Small Vessel Disease: A Mendelian Randomization Study by Yi Xie, Shuai Liu, Xinyue Wang, Hao Huang, Minghuan Wang, Wensheng Qu, Zhiyuan Yu, Wei Wang, Xiang Luo

    Published 2024-08-01
    “…Methods and Results Data on genetic instruments of lipids/apolipoproteins, as well as characteristic cerebral small vessel disease manifestations, including small vessel stroke (SVS) and white matter hyperintensity (WMH), were obtained from publicly genome‐wide association studies. Through 2‐sample Mendelian randomization analyses, it was found that decreased levels of high‐density lipoprotein cholesterol (odds ratio [OR], 0.85, P=0.007) and apolipoprotein A‐I (OR, 0.83, P=0.005), as well as increased level of triglycerides (OR, 1.16, P=0.025) were associated with a higher risk of SVS. …”
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  2. 1722

    Exploring the genetic causal inference between plasma lipidome and lung carcinoma: a bidirectional mendelian randomization study by Hongyu Pan, Jinyu Hu, Shanshan Gong, Yuchang Fei

    Published 2025-05-01
    “…Methods A bivariate two-sample Mendelian randomization (MR) study was conducted using data from public genome-wide association studies (GWAS). …”
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  3. 1723

    Exploring the causal relationship between CX3CL1 and prostate cancer prognosis using Mendelian randomization by Weisheng Li, Baoguo Xia, Weixin Chu, Likui Lu, Xuedong Liu

    Published 2025-06-01
    “…Finally, the impact of CX3CL1 on PCa was further explored using gene expression data, immune cell infiltration profiles, survival analysis, and single-cell sequencing. Results Two-sample Mendelian randomization analysis indicated that CX3CL1 was inversely associated with PCa risk. …”
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  4. 1724

    Assessing the Causal Relationship Between Various Immune Cells and Attention Deficit Hyperactivity Disorder: Mendelian Randomization Study by Qian Ge, Zhongyan Li, Weijing Meng, Chen Cai, Mengdi Qiu, Yafei Liu, Haibo Zhu

    Published 2025-01-01
    “…Methods In this study, 731 immune cells and the risk of ADHD were examined using publicly accessible genetic data and a two‐sample MR analysis. Included were four different types of immunological profiles: determinate cells (DC), proportional cells (PC), median brightness level (MBL), and morphological characteristics (MA). …”
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  5. 1725

    Effect of aloe vera and coconut in the management of xerostomia in patients with Sjogren’s syndrome: a crossover randomized clinical trial by Alaa Mahmoud, Basma Elsaadany, Mervat Eissa, Wesam Abd Elmoneim, Sherifa Tarek, Mai Zakaria

    Published 2025-03-01
    “…Aim: This study aimed to evaluate the efficacy of carboxymethyl cellulose (CMC)-based natural mixture of aloe vera gel and coconut oil as a salivary substitute in comparison to the conventional CMC for the management of xerostomia in a sample of patients with Sjogren’s syndrome (SS). Methods: This crossover randomized clinical trial included 24 patients diagnosed with SS. …”
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  6. 1726

    Inflammation Factors Mediate Association of Muscle Mass and Migraine: NHANES 1999–2004 and Mendelian Randomization by Jia C, Li H, Yang S, Liu Y, Liu L, Ma A, Zhang L

    Published 2025-05-01
    “…Genetic causality was investigated via two-sample Mendelian randomization (MR) using genome-wide association study (GWAS) data.Results: 20% of total participants reported migraines. …”
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  7. 1727

    The association of gut microbiota, immunocyte dynamics, and protein–protein ratios with tuberculosis susceptibility: a Mendelian randomization analysis by Hanxin Wu, Weijie Ma, Liangyu Zhu, Li Peng, Xun Huang, Lei Zhong, Rui Yang, Bingxue Li, Weijiang Ma, Li Gao, Xinya Wu, Jieqin Song, Suyi Luo, Fukai Bao, Aihua Liu

    Published 2025-01-01
    “…Given the unclear causal relationship between gut microbiota and tuberculosis and the scarcity of research on relevant plasma protein ratios in tuberculosis, Mendelian randomization analysis (MR) was employed for in-depth exploration. …”
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  8. 1728

    The causal relationship between immune cell phenotypes and esophageal cancer development: a bidirectional Mendelian randomization study by Xun Zhang, Hailang Zhou, Qianqian Meng, Weiyi Wang, Lu Zhou, Ying Xu, Haiqin Zhang, Zixu Zhang, Jinnian Cheng, Xiaopeng Zhan, Ji Li, Changping Hu, Fengli Zhou, Daming Yang, Luowei Wang, Yimin Chu, Haixia Peng

    Published 2025-07-01
    “…This study aimed to explore the potential causal associations between immune cell traits and EC risk using Mendelian randomization (MR) analysis. Methods A bidirectional two-sample MR analysis was conducted using genome-wide association study data from European populations. …”
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  9. 1729
  10. 1730

    Effectiveness of individualized breastfeeding counseling during the dyad’s stay in rooming-in: a randomized, multicenter, open and parallel study by Mariana Torreglosa Ruiz, Elisa da Conceição Rodrigues, Marialda Moreira Christoffel, Cynthya Viana de Resende, Michele Curcino Cavalcanti, Marianne Guterres Ferreira, Jéssica Aparecida da Silva, Karine Emanuelle Peixoto Oliveira da Silva, Monika Wernet, Ana Letícia Monteiro Gomes, Maria Beatriz Guimarães Raponi, Jacqueline Faria de Oliveira, Divanice Contim, Ana Maria Linares

    Published 2025-05-01
    “…This study aims to evaluate the effectiveness of individualized counseling during the dyad’s rooming-in period and its role in maintaining exclusive breastfeeding until the sixth month of life, compared to standard care. Methods This randomized, multicenter, parallel, and open clinical trial was conducted at two Brazilian university hospitals. …”
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  11. 1731

    Screening and Validation of Potential Biomarkers of Immune Cells in Childhood Asthma Patients via Mendelian Randomization and Machine Learning by Zhang Y, Hai Y, Song B, Xu J, Cao L, Yasen R, Xu W, Zhang J, Hu J

    Published 2025-02-01
    “…Therefore, a deeper investigation of the correlation between immune cells and childhood asthma could lead to a better understanding of asthma’s origin, the identification of potential treatment targets, and the development of personalized treatment strategies.Patients and Methods: We used a two-sample Mendelian randomization (MR) analysis to investigate the possible causal relationship between childhood asthma and a total of 731 immune cells, including B cell (190), Maturation stages of T cell (79), Monocyte (43), Myeloid cell (64), TBNK (124), Treg (167), and CDC (64). …”
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  12. 1732
  13. 1733

    Mendelian randomization and multiomics comprehensively reveal the causal relationship and potential mechanism between atrial fibrillation and gastric cancer by Zhao Sicheng, Zhao Sicheng, Zhang Jingcheng, Zhang Jingcheng, Zhang Shuo, Zhang Shuo, Lou Jiaheng, Lou Jiaheng, Cai Yan, Cai Yan, Bai Xing, Bai Xing, Jiang Tao, Jiang Tao, Jiang Tao, Zhang Guangji, Zhang Guangji, Zhang Guangji

    Published 2025-02-01
    “…ObjectiveGastric cancer is a harmful disease, the comorbidity mechanism and causality relationship between this disease and other diseases are worth studying.MethodsUsing a two-sample Mendelian Randomization method, this study revealed the potential causal effect of atrial fibrillation (AF) on gastric cancer (GC) risk by constructing a genetic instrument containing 136 AF associated SNPs. …”
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  14. 1734
  15. 1735

    Crowdsourcing integrated into a digital mental health platform for anxiety and depression: A pilot randomized controlled trial by Benjamin Kaveladze, Jane Shkel, Stacey Le, Veronique Marcotte, Kevin Rushton, Theresa Nguyen, Stephen M. Schueller

    Published 2024-12-01
    “…Optimizing intervention engagement and obtaining the large sample sizes needed for appropriate statistical power will be key challenges for similar studies.NCT: 04226742…”
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  16. 1736

    Shared decision-making for pediatric acute otitis media in the United States: a randomized emergency department trial by Jana L. Anderson, Lucas Oliveira J. E. Silva, Erik P. Hess, Derek E. Vanmeter, Aidan Mullan, Juan P. Brito, Ian G. Hargraves, Fernanda Bellolio

    Published 2025-08-01
    “…Although no significant reduction in antibiotic prescribing was observed, this may be due to the study’s limited sample size, which increases the risk of Type II error. …”
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  17. 1737

    Missing Value Estimation and Analysis in Neutrosophic RBD by Masum Raj, S. C. Malik, Rahul Thakur

    Published 2025-07-01
    “…Further, simulation study is conducted to evaluate the performance of various parameters across different sample sizes. The analysis demonstrates the efficacy of Neutrosophic Randomized Block Design in preserving the statistical properties of the dataset and ensures more accurate and reliable experimental conclusions. …”
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  18. 1738

    SREBF1, a target gene of multiple sclerosis and coronary heart disease: based on mendelian randomization study by Linqin Du, Yangyang Cui, Yang Zhou, Ofe Eugene Kwaku, Xuefeng Ding, Lang Zeng, Shikang Li, Lijuan Xiong, Yonghong Zhang, Peng Zhou, Kun Wang, Rongchuan Yue

    Published 2025-02-01
    “…Methods We conducted various methods, including two-sample MR. method, reverse, and multivariable MR analyses, to examine the causal relationship between MS and CHD. …”
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  19. 1739

    Acupuncture effects of post-stroke thalamic pain: a systematic review and meta-analysis of randomized controlled trials by Tianwei Zhang, Tianwei Zhang, Junying Zhai, Junying Zhai, Ling Cheng, Ling Cheng, Kaixin Jiang, Kaixin Jiang, Dayang Wang, Huawei Shi, Bin Wang, Xing Chen, Xinglu Dong, Li Zhou

    Published 2025-04-01
    “…In the future, more large-sample, high-quality RCTs are needed to provide primarily high-level evidence in evidence-based medicine regarding the safety and sustained effects of acupuncture treatment for PS-TP.Systematic review registrationhttps://www.crd.york.ac.uk/PROSPERO/view/CRD42024498698, identifier CRD42024498698.…”
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  20. 1740

    Evaluating the relationship between alcohol consumption, tobacco use, and cardiovascular disease: A multivariable Mendelian randomization study. by Daniel B Rosoff, George Davey Smith, Nehal Mehta, Toni-Kim Clarke, Falk W Lohoff

    Published 2020-12-01
    “…<h4>Methods and findings</h4>Using large publicly available genome-wide association studies (GWASs) (results from more than 1.2 million combined study participants) of predominantly European ancestry, we conducted 2-sample single-variable Mendelian randomization (SVMR) and multivariable Mendelian randomization (MVMR) to simultaneously assess the independent impact of alcohol consumption and smoking on a wide range of CVD risk factors and outcomes. …”
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