Showing 321 - 340 results of 18,849 for search 'sample random sampling', query time: 0.23s Refine Results
  1. 321

    Juntas Contra el Virus del Papiloma Humano: protocol for a pilot randomized controlled trial of an HPV self-sampling intervention for underscreened Latinas by Carolyn Y. Fang, Marisol Cora-Cruz, Pratistha Koirala, Sophia Perez, Minzi Li, Brian L. Egleston, Yuku Chen, Gina Mantia-Smaldone, Omar Martinez

    Published 2025-05-01
    “…Participants will be randomly assigned to the intervention condition, which includes a synchronous three-session group cervical cancer educational program delivered virtually along with a mailed HPV self-sampling kit (to obtain self-collected cervical samples for HPV testing), or to a comparison condition that involves receipt of the mailed HPV self-sampling kit with written information about cervical cancer screening and nearby clinics. …”
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  2. 322

    Research on High-Precision Motion Planning of Large Multi-Arm Rock Drilling Robot Based on Multi-Strategy Sampling Rapidly Exploring Random Tree* by Qiaoyu Xu, Yansong Lin

    Published 2025-04-01
    “…A multi-strategy sampling mechanism is constructed by integrating DRL position sphere sampling, spatial random sampling, and goal-oriented sampling. …”
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    Article
  3. 323
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    Labelling Training Samples Using Crowdsourcing Annotation for Recommendation by Qingren Wang, Min Zhang, Tao Tao, Victor S. Sheng

    Published 2020-01-01
    “…The supervised learning-based recommendation models, whose infrastructures are sufficient training samples with high quality, have been widely applied in many domains. …”
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  5. 325

    Ensuring representative sample volume predictions in microplastic monitoring by Richard K. Cross, Sarah L. Roberts, Monika D. Jürgens, Andrew C. Johnson, Craig W. Davis, Todd Gouin

    Published 2025-01-01
    “…Close to half of the studies reviewed scored poorly in quality scoring protocols according to the sample volume taken. It is critical that sufficient particles are measured in a sample to reduce the errors from random chance. …”
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  6. 326

    COPD prevalence and characteristics among sample of working population by Sasho Stoleski, Jordan Minov, Dragan Mijakoski, Hana Brborović, Milan Milošević, Roko Žaja

    Published 2025-05-01
    “…IntroductionCOPD is a global public health problem, causing a very high rates of morbidity, mortality, and work disability in the last decades worldwide.ObjectiveTo determine the prevalence and characteristics COPD in a random sample of workers form the city of Skopje, and its relation to occupational exposures.MethodsA cross-sectional study was conducted including 1,867 workers (959 males and 908 females) from the city of Skopje. …”
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  7. 327

    To explore the molecular mechanisms and shared genetic characteristics of rheumatoid arthritis and cervical cancer based on multiple omics and clinical samples by Xifeng Xu, Yujie Huang, Wu Wei, Zhong Lin, Yongjin Luo, Kaiyi Meng

    Published 2025-05-01
    “…Finally, the expression of model genes was verified by cervical cancer cell lines and clinical fresh samples. Results Mendelian randomization has revealed an increased incidence of cervical cancer associated with RA. …”
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  8. 328
  9. 329

    Strong consistencies of the bootstrap moments by Tien-Chung Hu

    Published 1991-01-01
    “…Let X be a real valued random variable with E|X|r+δ<∞ for some positive integer r and real number, δ, 0<δ≤r, and let {X,X1,X2,…} be a sequence of independent, identically distributed random variables. …”
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  15. 335

    Causal relationships between the circulating levels of cytokines and risk of aortic aneurysm and aortic dissection: a bidirectional two-sample Mendelian randomization study by ZHANG Qiuwen, QIN Jianying, WEN Ning, DONG Jianhui, LI Haibin, SUN Xuyong

    Published 2024-12-01
    “…Objective To evaluate the causal relationships between circulating cytokines (CCs) and aortic aneurysm (AA) and aortic dissection (AD) collectively known as AAD using two-sample Mendelian randomization (MR) analysis. Methods A meta-analysis based on genome-wide association studies (GWASs) involving 8, 293 individuals was conducted to obtain genetic variations associated with CCs as instrumental variables. …”
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  16. 336

    A causal effects of neutrophil extracellular traps and its biomarkers on acute respiratory distress syndrome: a two-sample Mendelian randomization study by Yuqing Chen, Ruolin Mao, Qing Chang, Yueyang Yuan, Hai Zhang, Feng Li

    Published 2025-04-01
    “…This study aimed to investigate the potential causal effects of NETs and NETs-related biomarkers on ARDS or vice-versa. A two-sample Mendelian randomization (MR) utilizing genome-wide association studies (GWAS) data was employed to analyze the causality. …”
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  17. 337

    Natural active ingredients targeted inflammatory cytokines and major blinding eye diseases: a two-sample Mendelian randomization and molecular docking analysis by Ying Shao, Yicheng Lu, Yue Gu, Yujia Chen, Chen Li

    Published 2025-07-01
    “…The objective of this study is to explore the causal relationship between 41 inflammatory cytokines and five ocular diseases using Mendelian randomization (MR) method and study the interaction between five natural active ingredients and inflammatory cytokines through molecular docking.MethodsThe two-sample MR study employed genetic variances related to age-related macular degeneration (AMD), glaucoma, diabetic retinopathy (DR), myopia, and cataract. …”
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  18. 338

    Causal associations between iron deficiency anemia and digestive system cancers: evidence from a bidirectional two-sample Mendelian randomization study by Yan Qin, Rong Zhou

    Published 2025-05-01
    “…Abstract Background & Aims Iron deficiency anemia (IDA) is associated with digestive system cancers (DSCs), but the causal relationship is poorly understood. This two-sample bidirectional Mendelian randomization (MR) study investigated the causal association between IDA and five types of DSCs. …”
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  19. 339

    COVID-19 infection may reduce serum testosterone levels and increase the risk of erectile dysfunction: A two-sample Mendelian randomization study by Ting Wang, Chao Li, Jinbo Song

    Published 2025-03-01
    “…This study aims to provide evidence for the causal relationship between COVID-19 infection, serum testosterone levels and the risk of erectile dysfunction (ED) using a two-sample Mendelian randomization (MR) approach. Materials and Methods: Summary-level data for serum testosterone levels (199,569 samples and 12,321,875 single nucleotide polymorphisms [SNPs]) were obtained from Rebecca's study, while data for ED (6,175 cases and 217,630 controls) were sourced from Bovijn's study. …”
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  20. 340

    Assessing the Causal Relationship between Genetically Determined Inflammatory Cytokines and Parkinson’s Disease Risk: A Bidirectional Two-Sample Mendelian Randomization Study by Hua Xue, Qian Luo, Jiajia Chen, Wenhui Fan

    Published 2024-01-01
    “…Summary-level statistics for PD were obtained from a large-sample GWAS containing 17 studies that involved European participants. …”
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