Showing 15,701 - 15,720 results of 18,849 for search 'sample random sampling.', query time: 0.22s Refine Results
  1. 15701

    Exploring diagnostic m6A regulators in primary open-angle glaucoma: insight from gene signature and possible mechanisms by which key genes function by Xinyue Zhang, Jiawei Chen, Xiaoyu Zhou, Dengming Zhou, Li Liao, Yang Zhao, Ping Wu, Fen Nie, Zhimin Liao, Ziyan Cai, Xuanchu Duan

    Published 2025-03-01
    “…All POAG samples could be effectively divided into two groups based on the expression levels of these 5 hub m6A regulators. …”
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    Article
  2. 15702

    Prediction of KRAS gene mutations in colorectal cancer using a CT-based radiomic model by Wenjing Wang, Qingbiao Zhang, Shimei Fan, Yuyin Wang, Xingyan Le, Min Ai, Chunqi Du, Junbang Feng, Chuanming Li

    Published 2025-05-01
    “…After dimensionality reduction, machine learning methods such as extremely randomized trees (ERT), random forest (RF), XGBoost, Bagging, and CatBoost were used for model construction. …”
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  3. 15703

    The Effects of the ABCDE Bundle on the Hemodynamic Stability of Patients under Mechanical Ventilation by Javad Malekzadeh, Mahsa Ghouchani, Tahere Sadeghi, Ahmad Bagherimoghadam, Mohammad Rajabpour

    Published 2025-06-01
    “…Materials and Methods: The study is a two-group clinical trial. The research sample included 90 patients undergoing mechanical ventilation in an Intensive Care Unit (ICU), who were randomly assigned to the intervention and control groups by the block randomization method. …”
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  4. 15704

    Genetic Evidence for Causal Effects of Immune Cell Subtypes on Postherpetic Neuralgia by Chen T, Tang S, Chen R, Ding W, Chen Y, Jian Z, Wu M, Jia M, Zhang X

    Published 2025-03-01
    “…However, the specific dynamic immune profile, the underlying molecular mechanisms, and especially the causal relationship between immune cells and PHN have yet to be comprehensively elucidated.Methods: We implemented a comprehensive analytical framework incorporating two-sample Mendelian randomization (MR), multivariable Mendelian randomization(MVMR), and colocalization analyses to elucidate the causal relationships between immune cell phenotypes and PHN. …”
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  5. 15705

    Abstract 130: Endovascular Therapy for Cerebral Venous Sinus Thrombosis: A Systematic Review of 267 patients by Abdullah Sultany, Abdullah M. Al Qudah, Guvanch Kakamyradov, Mohamed F. Doheim

    Published 2023-11-01
    “…Only one study was a small, randomized clinical trial while the rest were observational studies. …”
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  6. 15706

    Comparative efficacy of acupuncture therapies in premature ovarian failure: A systematic review and network meta-analysis by Yonghang Yi, Fengjun Ma, Yang Jiao, Rongqi Zhang, Yunhao Yi, Yuxia Ma

    Published 2025-05-01
    “…Key methodologic weaknesses included insufficient allocation concealment, lack of blinding, and small sample sizes. Conclusions: Acupuncture therapies may effectively improve POF. …”
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  7. 15707

    The Injection of Ghrelin (OXE-103) Improves Subacute Concussion Symptom Burden and Quality of Life by Michael Rippee, Michael Wyand, Jamie Chen, Amelia Kirchhoff-Rowald, Suzanne Hunt, Vishal Bansal

    Published 2025-01-01
    “…We recognize the limitations of this study, including small sample size and lack of randomization. The results indicate that OXE-103 is a potential therapeutic agent to treat patients with ongoing concussion symptoms. …”
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    Article
  8. 15708

    Social Confrontation with Menstruation: A Feminist Ethnography of Menstrual Experience among Female Instagram Users by Rana Mohammad Taghinejad Esfahani, Majid Movahed, Halimeh Enayat, Aliyar Ahmadi

    Published 2024-12-01
    “…All participants were women, who had experienced menstruation, were active on Instagram, and were willing to discuss the topic.Participants were initially selected through purposeful and convenience sampling followed by snowball sampling. This process continued until theoretical saturation was reached, ensuring that no new categories emerged and theoretical sufficiency was achieved. …”
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  9. 15709

    The Use of Vacuum Plasma Surface Treatment to Improve Bone Healing and Regeneration in Socket Preservation and GBR: A Case Series with Histological Analysis by Marco Tallarico, Michele Troia, Milena Pisano, Silvio Mario Meloni, Dario Melodia, Claudia Della Via, Dolaji Henin, Francesco Mattia Ceruso, Carlotta Cacciò, Aurea Immacolata Lumbau

    Published 2025-06-01
    “…Conclusion: VPST may enhance the hydrophilicity of biomaterials, supporting favorable healing outcomes in SP and GBR. Further randomized controlled trials with appropriate sample size calculations are needed to confirm these preliminary results.…”
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  10. 15710

    Solvent-dripping modulated 3D/2D heterostructures for high-performance perovskite solar cells by Xiaoming Chang, Randi Azmi, Tinghuan Yang, Nan Wu, Sang Young Jeong, Herui Xi, Drajad Satrio Utomo, Badri Vishal, Furkan H. Isikgor, Hendrik Faber, Zhaoheng Ling, Mingjie He, Marco Marengo, Pia Dally, Adi Prasetio, Yu-Ying Yang, Chuanxiao Xiao, Han Young Woo, Kui Zhao, Martin Heeney, Stefaan De Wolf, Leonidas Tsetseris, Thomas D. Anthopoulos

    Published 2025-01-01
    “…The reconstructed 2D/3D perovskite interface exhibits reduced energetic disorder and yields cells with improved performance compared with control 2D/3D samples. PSCs fabricated with the meta-amidinopyridine-induced phase-pure 2D perovskite passivation show a maximum power conversion efficiency of 26.05% (a certified value of 25.44%). …”
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  11. 15711

    Stereoacuity and ocular-associated factors in children aged 3–7 years in Guangxi, Southwest China: a cross-sectional study by Xin Xiao, Xin Xiao, Xin Xiao, Huiyao Huang, Yan Luo, Wuqiang Luo, Lili Li, Enwei Lin, Min Kong, Qi Chen

    Published 2025-07-01
    “…ObjectiveThis study aimed to investigate the distribution of stereoacuity and its ocular-associated factors in children aged 3–7 years in Guangxi, Southwest China.MethodsThis cross-sectional study recruited 4,090 children aged 3–7 years (mean: 5.12 ± 0.95 years) from 12 randomly selected kindergartens via cluster sampling in Nanning City, Guangxi, Southwest China. …”
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  12. 15712

    Psychological interventions mitigated occupational stress in high-risk workers in Shenzhen, China by Naixing Zhang, Wei Zhou, Aipin Xiao, Shaofan Weng, Liuzhuo Zhang, Dexiang Zhu, Jinlin Wang, Ling Nian, Dafeng Lin, Dafeng Lin

    Published 2025-07-01
    “…This study investigated occupational stress among the potential high-risk workers in Shenzhen, China, and evaluated the psychological interventions subsequently implemented.MethodsA stratified cluster sampling method was employed, randomly selecting one quarter of clusters (clustered by work unit) from each of the four strata (stratified by occupational category) including firefighters, bus drivers, video display terminal (VDT) operators, and port workers, respectively, as the study cohort. …”
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  13. 15713

    A study on the status of myopia and pre-myopia among primary school students in different regions of Shaanxi Province, China by Dong Wei, Dong Wei, Li Yangbing, Liu Chengfei, Liu Chengfei, Zhang Ye, Zhang Ye, Wang Zihao, Wang Zihao, Li Yanying, Li Yanying, He Xiaokang, He Xiaokang, Fu Kunlin, Du Zhaojiang

    Published 2025-06-01
    “…ObjectiveThis cross-sectional study aimed to investigate the geographic disparities in myopia and pre-myopia prevalence among elementary school students across three distinct regions of Shaanxi Province (southern Hanzhong, Guanzhong, and northern Yulin) to inform region-specific myopia control strategies.MethodsFrom March to May 2024, we employed multistage cluster sampling to recruit 8,207 eligible students (2,724 southern Shaanxi, 2,761 Guanzhong, 2,722 northern Shaanxi) from 12 randomly selected primary schools. …”
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  14. 15714
  15. 15715
  16. 15716

    Effects of low-phosphorus diets on phosphorus balance, plasma concentrations of 25-hydroxyvitamin D3, and carboxy-terminal collagen crosslinks during the transition period in dairy... by P. Keanthao, R.M.A. Goselink, J. Dijkstra, A. Bannink, J.T. Schonewille

    Published 2025-04-01
    “…Sixty pregnant multiparous Holstein Friesian dairy cows were assigned to a randomized block design with repeated measurements and dietary treatments arranged according to a 2 × 2 factorial design. …”
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  17. 15717
  18. 15718
  19. 15719

    Patient Education Barriers from Nurses’ Opinions by Mohammad Ranjbar Ezzatabadi, Mahboobeh Mahdian, Hadi Eslami, Ali Amini

    Published 2016-09-01
    “…Besides, they had no history of previous cesarean section and gave consent to participate in the study. Cluster sampling method was used. Two centers of clusters were randomly selected. …”
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  20. 15720

    Empowerment of Pregnant Women by Leila HajiPour, Monirosadat Hosseini Tabaghdehi, Zahra TaghiZoghi, Zohreh Behzadi

    Published 2016-09-01
    “…Besides, they had no history of previous cesarean section and gave consent to participate in the study. Cluster sampling method was used. Two centers of clusters were randomly selected. …”
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    Article