Showing 61 - 80 results of 18,849 for search 'sample random sampling', query time: 0.24s Refine Results
  1. 61

    Association between erythritol and lung cancer: a two-sample Mendelian randomization study by Yongsheng Zhao, Renyan Zheng, Kexin Luo, Haiyang Zhao, Wanping Xiang

    Published 2025-04-01
    “…We conducted independent two-sample MR analyses to assess the causation between erythritol and LC and its subtypes. …”
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  2. 62

    Vitamin D and risk of thyroid cancer: a two-sample Mendelian randomization study by Yunbin Shi, Lihui Qian, Tao Ma, Juntao Huang

    Published 2025-06-01
    “…Abstract Objective To investigate the causal effect of serum 25-hydroxyvitamin D (25(OH)D) on the risk of thyroid cancer (TC) by a two-sample Mendelian randomization (MR) analysis. Methods We analyzed data from two genome-wide association studies (GWAS), including 25(OH)D concentration levels in 417,580 individuals and 1415 individuals for TC. …”
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    Generalized ratio-product-type estimator for variance using auxiliary information in simple random sampling by Muhammad Ismail, Nazia Kawnal, Muhammad Q. Shahbaz

    Published 2018-01-01
    “…Efficiency of the new estimator has been compared mathematically with the generalized ratio-product-type estimator based on information from auxiliary variable under simple random sampling without replacement. Empirically, the estimator proves more efficient than the usual unbiased estimator and some previously existing biased variance estimators under the derived conditions and for suitable choice of scalars and constants at which bias is also smaller in comparison. …”
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    UNCERTAINTY PROPAGATION FOR LWR BURNUP BENCHMARK USING SAMPLING BASED CODE SCALE/SAMPLER by Daniel Campolina, Jan Frybort

    Published 2018-05-01
    Subjects: “…random sampling, uncertainty, nuclear fuel burnup, OECD UAM LWR…”
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    The relationship between bipolar disorder and breast cancer: a two-sample Mendelian randomization study by MA Tingting, ZHAO Xiaoli, GUO Xiaolong, FAN Chunling, ZHANG Yinfang, CAO Juan, SONG Peng, FAN Jingchun

    Published 2025-02-01
    “…Objective To explore the causal relationship between bipolar disorder and breast cancer and its subtypes (estrogen receptor-positive and estrogen receptor-negative breast cancer).Methods Using genome-wide association data of bipolar disorder and breast cancer, a two-sample Mendelian randomization analysis was performed to identify single nucleotide polymorphisms associated with bipolar disorder and explore their association with breast cancer. …”
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    Causal role of immune cells in thyroid cancer: a two-sample Mendelian randomization study by Shurong Wang, Zhouyu Fang, Wenjin Xiao, Ying Xie, Yueyue Zhang, Zhihua Liu

    Published 2025-04-01
    “…Methods Based on the public available genome-wide association studies summary statistics, we performed a two-sample Mendelian randomization (MR) to evaluate the causal association between 731 immune phenotypes (including median fluorescence intensities, absolute cell counts, relative cell counts, and morphological parameters) and thyroid cancer. …”
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    The Causal Role of Thyroid Hormones in Bipolar Disorders: A Two‐Sample Mendelian Randomization Study by James L. Li

    Published 2024-11-01
    “…Methods This study employed a two‐sample Mendelian randomization (MR) approach to investigate the causal relationships between six thyroid hormone metrics (TSH, FT4, FT3, TT3, FT3/FT4 and TT3/FT4) and bipolar disorder and Type 1 and 2 disorders, separately. …”
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  17. 77

    Epigenetic age acceleration and allergic diseases: a bidirectional two-sample Mendelian randomization study by Junfang Sun, Guozhen Fan, Lixin Hu, Zheng Hai Qu, Hong Jiang

    Published 2025-07-01
    “…The aim of this study was to explore the causal relationship between epigenetic age acceleration and allergic diseases by conducting a bidirectional two-sample Mendelian randomization (MR) study. Methods Pleiotropy analysis was conducted using the MR-Egger intercept test and the MR Pleiotropy Residual Sum and Outlier (MR-PRESSO) test. …”
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    Two-Sample Mendelian Randomization Study Identifies Tissue-Dependent Risk Genes in Autoimmune Diseases by Ryan Chiu, Li Ma

    Published 2024-10-01
    “…In this study, a two-sample MR analysis is performed with multitissue expression quantitative trait loci (eQTLs) and large-scale genome-wide association studies to investigate how gene expression can influence the risk of developing these diseases. …”
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  20. 80

    Associations between circulating metabolites and pca: a bidirectional two-sample Mendelian randomization study by Jing Lv, Yonghong Deng

    Published 2025-07-01
    “…Methods We utilized a bidirectional two-sample Mendelian randomization (MR) approach, analyzing metabolite datasets from the Canadian Longitudinal Study of Aging (CLSA), the Cooperative Health Research in the Region of Augsburg (KORA) study, and the TwinsUK study and PCa dataset from the Oncoarray. …”
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