Showing 15,521 - 15,540 results of 18,849 for search 'sample random sampling.', query time: 0.23s Refine Results
  1. 15521

    Effects of pre-pregnancy body mass index on cardiometabolic biomarkers in pregnant emirati women by Lolowa A. Almekhaini, Shamsa A. Awar, Taoufik Zoubeidi, Sania Al Hamad, Javed Yasin, Junu V. George, Maha Khaled, Nehaya Qasem, Fatima Bahwan, Hassib Narchi, Elhadi H. Aburawi

    Published 2024-12-01
    “…Average systolic and diastolic blood pressure measurements were calculated from each visit. Blood samples were collected randomly once and following cardiometabolic biomarkers were measured. …”
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  2. 15522

    The glycolytic characteristics of hepatocellular carcinoma and its interaction with the microenvironment: a comprehensive omics study by Dan Chen, Dandan Lin, Huling Li, Jiandong Yang, Lei Liu, Hanyuan Zhang, Dandan Tang, Kai Wang

    Published 2025-04-01
    “…Methods We collected samples from cancerous and adjacent non-cancerous tissues for transcriptomic, metabolomic, and 16 S rRNA sequencing analyses. …”
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  3. 15523

    Identification of biomarkers for knee osteoarthritis through clinical data and machine learning models by Wei Chen, Haotian Zheng, Binglin Ye, Tiefeng Guo, Yude Xu, Zhibin Fu, Xing Ji, Xiping Chai, Shenghua Li, Qiang Deng

    Published 2025-01-01
    “…Clinical data from 2594 samples were obtained and stratified into training and validation datasets in a 7:3 ratio. …”
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  4. 15524

    Biochar amendment alters rare microbial taxa and enhances wheat growth in alkaline farmland: insights into soil microbiome dynamics by Jian-Qing Qi, Hai-Yan Yuan, Shu-Chen Sun, Eric Fru Zama, Bao-Xian Tao, Jin Liu, Bao-Hua Zhang

    Published 2025-05-01
    “…In particular, the responses of rare microbial communities, such as rare protists and phoD-harboring microbial taxa, to biochar and their relationship with crop biomass remain largely unexplored.MethodsIn this study, topsoil (0–10 cm) samples were collected from a three-year field experiment in a wheat (Triticum aestivum cv. …”
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  5. 15525
  6. 15526

    Urinary Albumin-to-Creatinine Ratio (uACR) Point-of-Care (POC) Device with Seamless Data Transmission for Monitoring the Progression of Chronic Kidney Disease by Artitaya Thiengsusuk, Napaporn Youngvises, Runtikan Pochairach, Rehab Osman Taha, Kridsada Sirisabhabhorn, Nadda Muhamad, Wanchai Meesiri, Wanna Chaijaroenkul, Kesara Na-Bangchang

    Published 2025-02-01
    “…Calculated uACR values were compared with results from the reference turbidimetry method using a dataset of 103 random urine samples from patients at high risk of advanced CKD. …”
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  7. 15527

    Epidemiology of Vancomycin-Resistant Enterococci in Various Medical Wards by A. V. Liubimova, N. A. Shalyapina, V. V. Kolodzhieva, S. A. Riachovskich, O. V. Dmitrieva, T. V. Brodina, A. A. Shishmakov

    Published 2016-08-01
    “…In each unit microbiological testing of clinical (N=857) and environmental (N=508) samples was conducted three times a months during the study period. …”
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  8. 15528

    Dataset and machine learning-based computer-aided tools for modeling working sorption isotherms in dried parchment and green coffee beansMendeley Data by Gentil A. Collazos-Escobar, Andrés F. Bahamón-Monje, Nelson Gutiérrez-Guzmán

    Published 2025-08-01
    “…This script provides a latent-variable-based tool for analyzing spectral patterns associated with different coffee types, allowing for robust model-based differentiation of coffee samples using their infrared properties. These models are particularly valuable as digital representations of the coffee storage process and can be used to optimize storage conditions, understand hygroscopic behavior, and ensure moisture-based quality monitoring in parchment and green coffee beans. …”
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  9. 15529

    Assessment of skeletal muscle dynamics and milk production across a 300-day lactation in multiparous dairy cattle by Samantha L. Hanno, Theresa M. Casey, Hinayah Rojas de Oliveira, Jacquelyn P. Boerman

    Published 2025-01-01
    “…Ultrasound scans captured and measured using available software. Blood samples were taken at 7, 150 and 300 DIM, and plasma was analyzed for markers of metabolic status by measuring insulin, nonesterified fatty acids (NEFA), creatinine, and 3-methylhistidine (3-MH). …”
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  10. 15530

    The burden and predictors of hospital-acquired infection in intensive care units across Sub-Sahara Africa: systematic review and metanalysis by Ousman Adal, Yeshimebet Tamir Tsehay, Birhanu Ayenew, Teshager Woldegiyorgis Abate, Gebrehiwot Berie Mekonnen, Sileshi Mulatu, Sosina Tamre Mamo, Temesgen Ayenew, Mengistu Abebe Messelu, Asnake Gashaw Belayneh

    Published 2025-04-01
    “…Results A total of 44 primary samples were included in this meta-analysis. Using the random effect DerSimonian model, we showed that the pooled prevalence of hospital-acquired infections (HAIs) in intensive care units was 28.22% (95% CI: 23.61–32.81). …”
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  11. 15531

    What is the prevalence of COVID-19 detection by PCR among deceased individuals in Lusaka, Zambia? A postmortem surveillance study by Lawrence Mwananyanda, William B MacLeod, Donald M Thea, Rachel C Pieciak, Christopher J Gill, Geoffrey Kwenda, Zachariah Mupila, Rotem Lapidot, Leah Forman, Lauren Etter, Ruth Nakazwe, Daniel Bridges, Chilufya Chikoti, Sarah Chirwa, Charles Chimoga, Ben Katowa, James Lungu, Japhet Matoba, Gift Mwinga, Benjamin Mubemba, Walter Muleya, Mulenga Mwenda, Benard Ngoma, Diana Nzara, Natalie Pawlak, Lillian Pemba, Ngonda Saasa, Edgar Simulundu, Baron Yankonde

    Published 2022-12-01
    “…Objectives To determine the prevalence of COVID-19 postmortem setting in Lusaka, Zambia.Design A systematic, postmortem prevalence study.Setting A busy, inner-city morgue in Lusaka.Participants We sampled a random subset of all decedents who transited the University Teaching Hospital morgue. …”
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  12. 15532

    Contrasting diversity patterns of native and alien species across multiple taxa in Central European river corridors by Ivana Svitková, Marek Svitok, Tomáš Čejka, Pavel Širka, Dobromil Galvánek, Dušan Gömöry, Erika Gömöryová, Judita Kochjarová, Dušan Senko, Katarína Skokanová, Michal Slezák, Barbora Šingliarová, Stanislav Španiel, Richard Hrivnák

    Published 2024-12-01
    “…Nevertheless, the ecological processes underlying invasions of riparian habitats are poorly understood for many taxonomic groups. We sampled bryophytes, vascular plants, and molluscs along three West Carpathian rivers (Central Europe) to identify spatial trends and drivers of native and alien species diversity across multiple taxa. …”
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  13. 15533

    Beyond financial incentives: a quantitative study on spatial stigma and Puerto Rican physician migration to the United States by Nelson Varas-Díaz, Sheilla R. Madera, Mark Padilla, Torsten B. Neilands, John Vertovec, Kariela Rivera-Bustelo, Adrián J. Santiago-Santiago, Claudia A. Mercado Ríos, Genevieve Reid, Kevin Grove, Alíxida Ramos Pibernus

    Published 2025-12-01
    “…This study quantitatively examines the role of push factors, pull factors, and spatial stigmatisation in physician migration from Puerto Rico. Using data from a randomly selected sample of 550 physicians (255 who had migrated to the US and 295 who lived in Puerto Rico), we analyse how perceptions of Puerto Rico’s image and reputation, combined with stigmatisation linked to practicing medicine on the Island, influence migration decisions. …”
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  14. 15534

    The effectiveness of using web quest strategies and digital stories in the development of critical thinking, higher level thinking skills, and the progress of fifth grade history l... by Reza Abbashassan Nasrolah, Mohammad hassani

    Published 2025-03-01
    “…The statistical population of the research is 860 fifth grade literature students, 45 of whom were selected by multi-stage cluster sampling and randomly divided into three groups of 15 (a control group of 15 and two experimental groups of the rest 30). …”
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  15. 15535

    Prevalence of Heterophoria in Tibetan Grade-One Students: The Lhasa Childhood Eye Study by Han Su, Jing Fu, Weiwei Chen, Zhaojun Meng, Lei Li, Wei Dai, Yao Yao

    Published 2020-01-01
    “…The Lhasa Childhood Eye Study (LCES) is a school-based cohort study. 1942 grade-one students from 7 elementary schools were randomly sampled by stratified cluster sampling. Ocular examinations were performed in participants, including ocular motility, distance and near visual acuity, cycloplegic autorefraction, and stereoacuity. …”
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  16. 15536

    Dropout From Trauma-Focused Treatment for PTSD in a Naturalistic Setting by Verena Semmlinger, Keisuke Takano, Larissa Wolkenstein, Antje Krüger-Gottschalk, Sascha Kuck, Anne Dyer, Andre Pittig, Georg W. Alpers, Thomas Ehring

    Published 2025-02-01
    “…Despite considerable research investigating PTSD treatment dropout in randomized controlled trials (RCTs), findings in naturalistic settings remain sparse. …”
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  17. 15537

    Effect of auriculotherapy on anxiety-fatigue and sleep disturbances in cancer patients: A scoping review by Silmara de Oliveira Silva, Vinicius dos Santos Lemos Pereira, Mariane Elivânia Silva, Jucielly Ferreira da Fonseca, Maria Carolina Batista da Silva, Roberta Paolli de Paiva Oliveira Arruda Camara, Rodrigo Assis Neves Dantas, Daniele Vieira Dantas

    Published 2025-03-01
    “…Data were analyzed descriptively, with tables and statistics reporting absolute and relative frequencies. Results: The final sample included 16 studies with a total of 669 cancer patients. …”
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  18. 15538

    Aggressive Versus Moderate Fluid Replacement for Acute Pancreatitis: An Updated Systematic Review and Meta‐Analysis by Muhammad Ehsan, Aamna Badar Ahmad, Haseeba Javed, Afra Zahid, Hafiz Sheheryar Aamir, Huzaifa Ahmad Cheema, Muhammad Ayyan, Biah Mustafa, Abia Shahid, Muhammad Abdullah Ilyas, Kamal Kandel, Rehmat Ullah Awan, Sana Iqbal

    Published 2024-12-01
    “…Conclusions Aggressive fluid resuscitation is associated with higher mortality as compared to moderate fluid replacement in patients with acute pancreatitis. RCTs with larger sample sizes are needed to provide greater statistical power and establish more definitive conclusions.…”
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  19. 15539

    Interband Lag Variability in Active Galactic Nuclei across Zwicky Transient Facility Data from Multiple Years by Zhen-Bo Su, Zhen-Yi Cai, Hengxiao Guo, Mouyuan Sun, Jun-Xian Wang

    Published 2025-01-01
    “…While variable interband lags have potentially been found in a few individual AGNs, the temporal behavior of the interband lags of an AGN sample has not been explored systematically. Here, we analyze the interband lags of 94 bright AGNs at z < 0.8, using both seasonal 1 yr and full 6 yr gri -band light curves from Zwicky Transient Facility Data Release 22. …”
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  20. 15540

    Effects of Modified Attapulgite on Daily Weight Gain, Serum Indexes and Serum Metabolites in Fattening Beef Cattle by Jiajie Wang, Hanfang Zeng, Hantong Weng, Haomiao Chang, Yunfei Zhai, Zhihui Huang, Chenchen Chu, Haihui Wang, Zhaoyu Han

    Published 2025-07-01
    “…After 75 days of formal experiment, the calves in the two groups were weighed, and blood samples were collected by tail vein blood sampling for determinations of the serum biochemical indices and serum metabolites using liquid chromatography–mass spectrometry (LC-MS) analysis. …”
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