Showing 15,821 - 15,840 results of 18,849 for search 'sample random sampling.', query time: 0.16s Refine Results
  1. 15821
  2. 15822

    Inflammatory bowel disease in sub-Saharan Africa: a protocol of a prospective registry with a nested case–control study by Gerhard Rogler, Benjamin Misselwitz, Leolin Katsidzira, Wisdom F Mudombi, Rudo Makunike-Mutasa, Bahtiyar Yilmaz, Annika Blank, Andrew Macpherson, Stephan Vavricka, Innocent Gangaidzo

    Published 2020-12-01
    “…Two age and sex-matched non-IBD controls per case are recruited—a sibling or second-degree relative, and a randomly selected individual from the same neighbourhood. …”
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    Article
  3. 15823

    Transforming Retinal Photographs to Entropy Images in Deep Learning to Improve Automated Detection for Diabetic Retinopathy by Gen-Min Lin, Mei-Juan Chen, Chia-Hung Yeh, Yu-Yang Lin, Heng-Yu Kuo, Min-Hui Lin, Ming-Chin Chen, Shinfeng D. Lin, Ying Gao, Anran Ran, Carol Y. Cheung

    Published 2018-01-01
    “…The aim of this study is to compare the detection performance for severe DR between original fundus photographs and entropy images by deep learning. A sample of 21,123 interpretable fundus photographs obtained from a publicly available data set was expanded to 33,000 images by rotating and flipping. …”
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    Article
  4. 15824

    Mental health dynamics between mothers and siblings of children with disabilities by Erica Zahl, Hugo Cogo-Moreira, Trude Fredriksen, Solveig Kirchhofer, Solveig Kirchhofer, Stian Orm, Stian Orm, Torun Vatne, Torun Vatne, Matteo Botta, Krister Fjermestad, Krister Fjermestad

    Published 2024-12-01
    “…The sample comprised 214 siblings aged 8–16 years and their parents (N = 203 mothers, N = 124 fathers). …”
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    Article
  5. 15825
  6. 15826

    A scoping review of suicide prevention interventions for Latinx adults: strategies, gaps, and future directions by Airín D. Martínez, Samantha Kloft, Pablo Fernandez, Parastoo Dezyani, Alandra Ricci, Delvis J. Hernández, Kelley Cunningham

    Published 2025-02-01
    “…During full-text review, 34 articles were included for the final sample. We randomly selected 10 articles and coded them to check for inter-rater reliability (r = 0.90). …”
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    Article
  7. 15827

    Acupuncture-assisted anaesthesia for catheter ablation of atrial fibrillation to reduce the consumption of morphine hydrochloride and postoperative nausea and vomiting (PONV): stud... by Qi Wang, Yuqi Jia, Xuecheng Zhang, Yujiang Dong, Zhihui Hou, Wenqi Deng, Menghe Zhang, Qiurun Mu, Hongling Jia

    Published 2022-12-01
    “…Although several studies have been conducted on AAA, its safety and efficacy in AF catheter ablation remain unclear due to small sample sizes and a paucity of methodologically rigorous designs. …”
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    Article
  8. 15828

    Development of a multi-laboratory integrated predictive model for silicosis utilizing machine learning: a retrospective case-control study by Guo-kang Sun, Yun-hui Xiang, Lu Wang, Pin-pin Xiang, Zi-xin Wang, Jing Zhang, Ling Wu

    Published 2025-01-01
    “…ObjectiveDue to the high global prevalence of silicosis and the ongoing challenges in its diagnosis, this pilot study aims to screen biomarkers from routine blood parameters and develop a multi-biomarker model for its early detection.MethodsA case-control study was conducted to screen biomarkers for the diagnosis of silicosis using LASSO regression, SVM and RF. A sample of 612 subjects (half cases and half controls) were randomly divided into training and test groups in a 2:1 ratio. …”
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    Article
  9. 15829

    Prevalence of thyroid autoantibody positivity in women with infertility: a systematic review and meta-analysis by Yingqin Huang, Baoli Xie, Jiaxu Li, Fu Hang, Qianwen Hu, Yufu Jin, Rongyan Qin, Jiaxin Yu, Jianxin Luo, Ming Liao, Aiping Qin

    Published 2024-11-01
    “…However, the prevalence of thyroid autoantibodies in women with infertility remains unclear due to variability in study designs, sample sizes, and populations. In this meta-analysis, we aimed to assess the prevalence of thyroid autoantibodies in women with infertility compared with that in healthy controls. …”
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  10. 15830
  11. 15831
  12. 15832

    Prevalence of Carbapenem-resistant and Carbapenemase-Producing Enterobacterales in Healthcare and Community Settings in the United Kingdom: A Systematic Review and Meta-Analysis by Dr Hossam Almadhoon, Dr Winnie WY Lee, Miss Emma R Carter, Mr Ibrahim Ahmad, Dr Colin S Brown, Dr Nina J Zhu, Prof Alison H Holmes

    Published 2025-03-01
    “…For CPE, a high pooled proportion was observed in healthcare carriage samples at 1.23% (95%CI: 0.68%–1.91%; I2= 98.10%; n= 262,524) compared to infection samples at 0.03% (95%CI: 0.00%–0.37%; I2= 0.00%; n= 888). …”
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    Article
  13. 15833

    Genome-wide association meta-analysis of human olfactory identification discovers sex-specific and sex-differential genetic variants by Franz Förster, David Emmert, Katrin Horn, Janne Pott, Johannes Frasnelli, Mohammed Aslam Imtiaz, Konstantinos Melas, Valentina Talevi, Honglei Chen, Christoph Engel, Michele Filosi, Myriam Fornage, Martin Gögele, Markus Löffler, Thomas H. Mosley, Cristian Pattaro, Peter Pramstaller, Srishti Shrestha, N. Ahmad Aziz, Monique M. B. Breteler, Kerstin Wirkner, Markus Scholz, Christian Fuchsberger

    Published 2025-07-01
    “…Two loci were female-specific while one was sex-differential with respective candidate genes containing androgen response elements. Two-sample Mendelian randomization was applied to search for causal relationships between sex hormones, odour identification and neurodegenerative diseases. …”
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    Article
  14. 15834

    Evidence Graph Analysis of Postoperative Pain Sensitization Induced by Perioperative Sleep Deprivation by XUE Jianjun, WANG Caihong, GUO Lingling, LI Xiuxia, ZHANG Jie, XU Ziqing, HOU Huaijing, YANG Kehu

    Published 2024-06-01
    “…More high-quality, large-sample and standardized clinical studies should be carried out in the future to provide better scientific basis for clinical work.…”
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    Article
  15. 15835

    Principles of effective out-patient diagnostics of diffuse liver diseases by Komova A. G., M. V. Mayevskaya, V. T. Ivashkin

    Published 2014-11-01
    “…Overall 5000 Moscow inhabitants age 18 to 75 years, chosen randomly within the «the liver check up» project, have been included in prospective population study. …”
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    Article
  16. 15836
  17. 15837

    The effect of differential and traditional training methods on electromyographic changes of lower body muscles in performing and learning crawl swimming by Raha Nikravesh, Seyed Kazem Mousavi Sadati, Jaleh Bagherli, Mohammad Ali Aslankhani

    Published 2022-04-01
    “…The aim of the present study was to investigate the effect of differential and traditional training methods on electromyographic changes of lower body muscles in performing and learning crawl swimming.Methods: In this study, 36 swimmers aged 20 to 25 years who had no experience in swimming training were selected as a sample and randomly divided into three groups of control, traditional exercises and differential exercises. …”
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    Article
  18. 15838

    Effects of off-line auricular transcutaneous vagus nerve stimulation (taVNS) on a short-term memory task: a pilot study by Francesco Fisicaro, Francesco Fisicaro, Klizia Cortese, Rita Bella, Manuela Pennisi, Giuseppe Lanza, Giuseppe Lanza, Kaoru Yuasa, Yoshikazu Ugawa, Yasuo Terao

    Published 2025-04-01
    “…With this single-blind, sham-controlled, crossover design trial, we aimed to assess whether taVNS was able to improve the digit span score, as well as to modulate the pupillary response to cognitive load in a sample of 18 elderly Japanese volunteers with no self-reported cognitive impairments.ResultsSubjects were randomized to receive either real or sham taVNS during a digit span task while recording the pupil size, and then switched over to the other treatment group. …”
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  19. 15839

    Clinical efficacy of meridian differentiation acupuncture in the treatment of intractable insomnia based on objective data: a protocol for a multicentre, single-blind, randomised c... by Yun Li, Nan Lin, Bo Li, Ling Gao, Li Dong, Wenming Chu, Xi-Yan Gao, Xueyang Guo, Bo-Yu Zhang

    Published 2025-07-01
    “…Previous clinical research has indicated that meridian differentiation acupuncture (MA), based on objective data, can notably enhance sleep quality in patients with intractable insomnia. However, small sample sizes and a lack of objective measures necessitate further investigation. …”
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    Article
  20. 15840

    Comparison of the effects of different teaching methods on the effectiveness of teaching neurology in China: a bayesian network meta-analysis and systematic review by Xiangyu Li, Longsheng Zhang, Wenjun Sun, Min Lei, Ying Li, Jiacheng Zhang, Xing Huang

    Published 2024-12-01
    “…However, these studies often suffer from limited sample sizes, single-center studies and low quality, compounded by the lack of direct comparative analyses between teaching methods, thereby leaving the identification of the most effective method unresolved. …”
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    Article