Showing 16,321 - 16,340 results of 18,849 for search 'sample random sampling.', query time: 0.25s Refine Results
  1. 16321

    Quadratus lumborum block at the lateral supra-arcuate ligament for postoperative analgesia: a protocol for a systematic review and meta-analysis by Zhonghua Li, Ling Zhang, Qin Zhang, Liang Yu, Yu Shen, Keyu Fan, Mingxia Liu, Dongxu Wang, Ya Cao, Yuxuan Zhang, Lu Qian, Danru Wu, He Liu, Jiewei Xu

    Published 2025-12-01
    “…However, most current studies on this topic are single-centre and small-sample studies, which may limit the evaluation of the efficacy and safety of this block method.Methods This protocol adopts the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. …”
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  2. 16322

    Supporting self-management with an internet intervention for low back pain in primary care: a RCT (SupportBack 2) by Adam W A Geraghty, Taeko Becque, Lisa C Roberts, Jonathan Hill, Nadine E Foster, Lucy Yardley, Beth Stuart, David A Turner, Gareth Griffiths, Frances Webley, Lorraine Durcan, Alannah Morgan, Stephanie Hughes, Sarah Bathers, Stephanie Butler-Walley, Simon Wathall, Gemma Mansell, Malcolm White, Firoza Davies, Paul Little

    Published 2025-04-01
    “…Using the four repeated measures, an assumed correlation between repeated measures of 0.7, 90% power and allowing for 20% lost to follow-up resulted in a sample size of 806. Randomisation was fully automated using a concealed computer-generated random allocation sequence. …”
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  3. 16323

    Effects of sedatives on diaphragm activity monitored by ultrasound: a systematic review and meta-analysis by Jiaren Luo, Luhao Wang, Bilin Wei, Zhikun Huang, Huifang Zheng, Bin Gu, Fei Pei, Zenan Chang, Yang Liu, Xiangdong Guan, Xuyu Zhang, Zimeng Liu

    Published 2025-07-01
    “…The TSA indicated that the sample size was sufficient. And GDT showed a low but important strength of this review. …”
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  4. 16324

    Phase field simulation of excavation damage zone in natural fractured rock mass by LIU Junjie, LIU Jianfeng, YANG Jianxiong, XUE Fujun, WEI Jinbing, GAO Chunyu

    Published 2025-01-01
    “…To verify the rationality and effectiveness of the phase-field approach, two-dimensional models of square specimens with both predefined and randomly distributed cracks were established. The simulation environment was based on a laboratory-scale uniaxial compression test on rock samples. …”
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  5. 16325
  6. 16326

    Predictive models of recurrent implantation failure in patients receiving ART treatment based on clinical features and routine laboratory data by Qunying Fang, Zonghui Qiao, Lei Luo, Shun Bai, Min Chen, Xiangjun Zhang, Lu Zong, Xian-hong Tong, Li-min Wu

    Published 2024-03-01
    “…Limitations, reasons for caution This was a single-centre regression study, for which the results need to be evaluated and verified by prospective large-scale randomized controlled studies. The small sample size for the analysis of factors influencing pregnancy outcomes in subsequent assisted reproduction cycles for RIF patients resulted in the inclusion of fewer covariates, and future studies with larger samples and the inclusion of more factors are needed for assessment and validation. …”
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  7. 16327

    Selection of Superior Rapeseed Genotypes based on Fatty Acids and Grain and Oil Yield Components with the Ideal Genotype Selection Index (SIIG) Method by Hassan Amiri Oghan, Kamal Payghamzadeh, Farnaz Shariati, Amir Gholizadeh

    Published 2026-03-01
    “…Methods: In this study, 21 genotypes obtained via breeding programs were evaluated in a randomized complete block design with three replications in the Gorgan Agricultural Research Station. …”
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  8. 16328
  9. 16329

    Exploring the Effects of Internal and External Factors on the Early Growth of Anchovy (Engraulis japonicus) in the Yellow Sea Based on Otolith Microstructure by Wenwen WANG, Yongjun TIAN, Lijun LIU, Zhuo YIN, Bingqing CHEN, Wenchao ZHANG, Zhenjiang YE

    Published 2025-08-01
    “…A relative time window was integrated into our analysis, and to mitigate the impact of random occurrences among candidate environmental factors, we conducted 500 randomization trials. …”
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  10. 16330
  11. 16331

    Improving older people’s experiences and safety at transitions of care: the PACT mixed-methods study including RCT by Jenni Murray, Ruth Baxter, Jane O’Hara, Laura Sheard, Catherine Hewitt, Natasha Hardicre, Charles Vincent, Eirini Oikonomou, Gerry Richardson, Rosie Shannon, Kalpita Baird, Stephen Brealey, Robbie Foy, Laura Mandefield, Sarah Hampton, Ed Breckin, Lubena Mirza, Alfredo Palacios, Sally Moore, Jayne Marran, Jacqui Elliot, Jane Schofield, Alison Cracknell, Beth Woods, Sarah Cockayne, Thomas Mills, Yvonne Birks, Olivia Joseph, Rebecca Lawton

    Published 2025-04-01
    “…Allowing for clustering and attrition, this required a sample size of 1000 for 80% power. Clinical effectiveness analysis Analysis for the primary outcome (30-day unplanned hospital re-admissions) included treatment allocation, ward type, baseline ward re-admission rate, percentage of patients 75 + and gender as fixed effects and trust and ward as random effects to account for clustering. …”
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  12. 16332

    Digital augmentation of aftercare for patients with anorexia nervosa: the TRIANGLE RCT and economic evaluation by Janet Treasure, Katie Rowlands, Valentina Cardi, Suman Ambwani, David McDaid, Jodie Lord, Danielle Clark Bryan, Pamela Macdonald, Eva Bonin, Ulrike Schmidt, Jon Arcelus, Amy Harrison, Sabine Landau

    Published 2025-07-01
    “…Data on health service utilisation, productivity loss and patient out-of-pocket expenses were collected at baseline and 12 months using a modified online version of the Client Service Receipt Inventory. Sample size An a priori sample size calculation of n = 380 dyads was computed as being sufficient to detect a standardised effect size of Cohen’s d = 0.4 for patient DASS-21 at 12 months post randomisation. …”
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  13. 16333
  14. 16334

    大學教師學術發表影響力之影響因素 Factors Influencing Publication Impact of Faculty by 郭玲玲 Ling-Ling Kueh, 許清芳 Ching-Fan Sheu

    Published 2024-12-01
    “…However, Sinatra et al. (2016) discovered that scientific researchers randomly produce highly impactful works instead of following a systematic trajectory from their first publication. …”
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  15. 16335

    Adherence to life’s essential 8 is associated with delayed white matter agingResearch in context by Li Feng, Zhenyao Ye, Yezhi Pan, Rozalina G. McCoy, Braxton D. Mitchell, Peter Kochunov, Paul M. Thompson, Jie Chen, Menglu Liang, Thu T. Nguyen, Edmond Shenassa, Yan Li, Travis Canida, Hongjie Ke, Hwiyoung Lee, Song Liu, L. Elliot Hong, Chixiang Chen, David K.Y. Lei, Shuo Chen, Tianzhou Ma

    Published 2025-05-01
    “…Methods: This cross-sectional study utilized data from the UK Biobank, including genetic, neuroimaging, and health-related data from touchscreen questionnaires, physical examinations, and biological samples. Participants were non-pregnant whites with LE8 variables, diffusion tensor imaging (DTI) data, and APOE4 genetic information available, excluding those with extreme white matter hyperintensities. …”
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  16. 16336

    Combine photosynthetic characteristics and leaf hyperspectral reflectance for early detection of water stress by Linbao Li, Linbao Li, Linbao Li, Guiyun Huang, Guiyun Huang, Guiyun Huang, Jinhua Wu, Jinhua Wu, Jinhua Wu, Yunchao Yu, Yunchao Yu, Yunchao Yu, Guangxin Zhang, Guangxin Zhang, Guangxin Zhang, Yang Su, Yang Su, Yang Su, Xiongying Wang, Xiongying Wang, Xiongying Wang, Huiyuan Chen, Huiyuan Chen, Huiyuan Chen, Yeqing Wang, Di Wu, Di Wu, Di Wu

    Published 2025-04-01
    “…RF provided the best estimation accuracy for LCC compared to MLR, KNN and SVM, achieving an R2 value of 0.895 for all LCC samples. The canopy layer significantly influenced the estimation accuracy of LCC, with the middle layer yielding the highest R2 value. …”
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  17. 16337
  18. 16338

    Spatial heterogeneity determines the gastrointestinal microbiome signatures and ecological processes that govern bacterial community assembly in sheep by Yukun Zhang, Jiangbo Cheng, Changchun Lin, Fadi Li, Xiaoxue Zhang, Chong Li, Deyin Zhang, Xiaobin Yang, Dan Xu, Yuan Zhao, Liming Zhao, Xiaolong Li, Huibin Tian, Xiuxiu Weng, Weimin Wang

    Published 2025-02-01
    “…In this study, we collected 338 samples from 10 different regions of the sheep GIT and systematically investigated their microbiome signatures, including community structure, enterotypes, interactions among taxa, and microbial community assembly. …”
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  19. 16339

    A phase 2, double-blind, placebo-controlled trial of a valproate/lithium combination in ALS patients by M.-C. Boll, M. Alcaraz-Zubeldia, C. Rios, D. González-Esquivel, S. Montes

    Published 2025-01-01
    “…Survival rate, body weight, and quality of life were positive outcomes by the end of the trial despite a high sample reduction, especially in the placebo group. …”
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  20. 16340

    Meta-analysis of motor imagery therapy on swallowing dysfunction in stroke patients (运动想象疗法对脑卒中后患者吞咽功能障碍影响的Meta分析) by GUO Jiaxin (郭嘉欣), GU Yufang (谷雨芳), LIU Kaiyue (刘凯月), MENG Xuefeng (孟雪峰), SUN Yingtong (孙颖童), WEI Jinrong (魏金荣)

    Published 2025-05-01
    “…Objective To systematically evaluate the effect of motor imagery therapy (MI) on swallowing dysfunction in post-stroke patients. Methods Randomized controlled trials (RCTs) on the effects of MI on swallowing dysfunction in post-stroke patients were searched from CNKI, Wanfang Data, VIP, CBM, PubMed, Web of Science, and Embase from the time of inception to November 20, 2024, respectively. …”
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