Showing 121 - 140 results of 208 for search '"missing data"', query time: 0.10s Refine Results
  1. 121

    Application of the Lasso regularisation technique in mitigating overfitting in air quality prediction models by Abbas Pak, Abdullah Kaviani Rad, Mohammad Javad Nematollahi, Mohammadreza Mahmoudi

    Published 2025-01-01
    “…The minimal degree of missing data presumably explained the strong performance of the PM model, while the high dynamism of gases and their chemical interactions, in conjunction with the inherent characteristics of the model, were the primary factors contributing to the poor performance of the model. …”
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  2. 122

    A scoping review of burden of disease studies estimating disability-adjusted life years due to Taenia solium. by Andrew Larkins, Mieghan Bruce, Carlotta Di Bari, Brecht Devleesschauwer, David M Pigott, Amanda Ash

    Published 2022-07-01
    “…Published data relating to disease models, data sources, disability-adjusted life years, sensitivity, uncertainty, missing data, and key limitations were collected.<h4>Results</h4>15 studies were included for review, with seven global and eight national or sub-national estimates. …”
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  3. 123

    Identification of QTLs for resistance to leaf and stem rusts in bread wheat (Triticum aestivum L.) using a mapping population of ‘Pamyati Azieva × Paragon’ by Y. Genievskaya, Y. Fedorenko, A. Sarbayev, A. Amalova, S. Abugalieva, S. Griffiths, Y. Turuspekov

    Published 2019-11-01
    “…A total of 4595 polymorphic SNP markers were further selected for linkage analysis after filtering based on missing data percentage and segregation distortion. Windows QTL Cartographer was applied to identify QTLs associated with LR and SR resistances in the RIL mapping population studied. …”
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  4. 124

    A randomised controlled trial of fluoxetine versus naltrexone in compulsive sexual behaviour disorder: presentation of the study protocol by Jussi Jokinen, Josephine Savard, Katarina Görts Öberg, Cecilia Dhejne

    Published 2022-06-01
    “…The results will be analysed using an appropriate analysis of variance model or a mixed model, depending on the distribution of HD: CAS and the extent of missing data.Ethics and dissemination The Swedish Ethical Review Authority and the Swedish Medical Products Agency have approved the study on 27 May 2020 and 4 June 2020, respectively (ref. no. 2020-02069 and ref. no. 5.1-2020-48282). …”
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  5. 125

    The international trial of nasal oxygen therapy after cardiac surgery (NOTACS) in patients at high risk of postoperative pulmonary complications: Economic evaluation protocol and a... by Siddesh Shetty, Melissa Duckworth, Richard Norman, Jacquita Affandi, Sarah Dawson, Julia Fox-Rushby, NOTACS investigators, NOTACS Trial Steering Committee, NOTACS DMEC Committee

    Published 2025-01-01
    “…Unit costs will be sourced from national, published or local data. Missing data will be assessed, with values replaced depending on assumed mechanism of missingness, and impact of replacement on cost-effectiveness assessed. …”
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  6. 126

    Non-employment over the working life: Implications for cognitive function and decline in later life by A.J. Sizer, A. Sacker, R.E. Lacey, M. Richards

    Published 2025-06-01
    “…Gender specific models were adjusted for childhood factors and educational attainment, adult occupational features, and adult health and lifestyle indicators. Missing data was accounted for using multiple imputation by chained equations. …”
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  7. 127
  8. 128

    Bridging the gap: rescuing and digitizing historical meteorological records by Kofi Asare, Nana Ama Browne Klutse, Stephen Aboagye-Ntow, Caroline Edinam Doe, Antwi-Boasiako Amoah, Eric Asuman, Martin Addi, Benjamin Adjetey Wemegah

    Published 2025-02-01
    “…Through extensive data searches at the GMet archive and fieldwork, data were successfully rescued, digitized, and quality-controlled, reducing the percentage of missing data and enhancing overall data availability. …”
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  9. 129

    Reporting guidelines for survey research: an analysis of published guidance and reporting practices. by Carol Bennett, Sara Khangura, Jamie C Brehaut, Ian D Graham, David Moher, Beth K Potter, Jeremy M Grimshaw

    Published 2010-08-01
    “…Our own review of 117 published survey studies revealed that many items were poorly reported: few studies provided the survey or core questions (35%), reported the validity or reliability of the instrument (19%), defined the response rate (25%), discussed the representativeness of the sample (11%), or identified how missing data were handled (11%).<h4>Conclusions</h4>There is limited guidance and no consensus regarding the optimal reporting of survey research. …”
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  10. 130

    The Effect of Board Risk Management on Financial Performance of Selected Saccos in Kiruhura District, Uganda. by Kyabarong, Benon, Agaba, Moses, Munyabonera, Francisis, Byamukama, Eliab Mpora, Kikawa, Cliff, Ahabwe, Oliver

    Published 2024
    “…These statistics included multicollinearity, mean and standard deviation, outliers and extreme values, and missing data. SEM was implemented using Jaffrey's Amazing Statistical Program (JASP) version 0.17.2.0. …”
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  11. 131

    Unpacking the Mood States of Children and Youth in Saskatchewan, Canada, in the Context of the COVID-19 Pandemic: Insights from the “See Us, Hear Us 2.0” Study by Nahin Shakurun, Tamara Hinz, Daniel A. Adeyinka, Nazeem Muhajarine

    Published 2025-01-01
    “…Multiple linear regression and mediation analyses were conducted, ensuring sample representativeness with sampling weights and addressing missing data through multiple imputations. Results: The participants reported mood symptoms (“moderate” to “extreme”) ranging from 23% to 38% on the CRISIS scale. …”
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  12. 132

    Development of risk models for early detection and prediction of chronic kidney disease in clinical settings by Pegah Bahrami, Davoud Tanbakuchi, Monavar Afzalaghaee, Majid Ghayour-Mobarhan, Habibollah Esmaily

    Published 2024-12-01
    “…The features include patients’ sociodemographic, anthropometric, and laboratory tests that are mostly associated with CKD based on national and international studies. Missing data and outliers were deleted using listwise and interquartile range techniques, respectively. …”
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  13. 133

    Comparison of Preoperative Imaging and FNAB Results with Postoperative Pathology Results in Patients Undergoing AUS/FLUS by Ferhat Demir, Oğuz Hançerlioğulları, Burak Uçaner, Mehmet Zeki Buldanlı, Murat Özkara

    Published 2024-07-01
    “…Patients under 18 years of age, those with missing data in the hospital automation system, and those with repeat fine-needle aspiration biopsy were excluded from the study. …”
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  14. 134

    Comparison of the EQ-5D-3L and EQ-5D-5L instruments in patients undergoing unicompartmental knee arthroplasty by Zhipeng Tai, Zhipeng Tai, Dongping Wan, Qiang Zan, Yuanchi Huang, Chao Xu

    Published 2025-01-01
    “…The assessment included missing data, ceiling effects, informativity and discriminatory power, as well as response consistency, redistribution properties, and inconsistency. …”
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  15. 135

    Associations between Chinese Visceral Adiposity Index and the Risk of Metabolic Dysfunction-associated Steatotic Liver Disease and Liver Fibrosis: A Large Cross-sectional Study by Hui Liu, Mingming Deng, Gang Luo, Jie Chen

    Published 2025-01-01
    “…The present study aimed to investigate the relationships between CVAI and MASLD or hepatic fibrosis in an American population, as well as to assess the diagnostic value of CVAI for MASLD and fibrosis.Methods: After excluding missing data on calculations of indices, diagnosis of MASLD, and covariates, 3242 participants were selected from the National Health and Nutrition Examination Survey 2017-2020. …”
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  16. 136

    Development and validation of a novel AI-derived index for predicting COPD medical costs in clinical practice by Guan-Heng Liu, Chin-Ling Li, Chih-Yuan Yang, Shih-Feng Liu

    Published 2025-01-01
    “…Methods: A retrospective analysis of 396 COPD patients was conducted, utilizing clinical, demographic, and comorbidity data. Missing data were addressed through advanced imputation techniques to minimize bias. …”
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  17. 137

    Factors affecting the quality of postoperative rehabilitation in children with cochlear implants based on the theory of knowledge, attitude and practice by Jing Ma, Xia Li, Ken Lin, Yiyun Zhang, Wenyue Chi, Xiuli Ma, Dong Su, Yuling Du, Tiesong Zhang

    Published 2025-01-01
    “…Responses were recorded meticulously.Setting Data were collected through a convenience sampling method at a children’s hospital.Participants Out of 840 questionnaires distributed, 683 completed questionnaires were retained for analysis after excluding responses with missing data.Results Parents’ average KAP score was 8.03 (SD = 3.13). …”
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  18. 138
  19. 139

    Cataract surgery in Australia: a review of the regional literature and outcomes from 5018 cases at a tertiary teaching hospital by Chameen Samarawickrama, Muhammad A Khan, Brendon W H Lee, Lauren Sartor

    Published 2025-02-01
    “…The key risk factors for PCR were advanced cataract, alpha-antagonist use, small pupil size and the presence of glaucoma.Conclusion We present visual and surgical outcomes from the largest study on phacoemulsification cataract surgery in Australia and New Zealand, acknowledging the study’s retrospective nature preventing inter-eye correlations, subdivision of cataract subspecialist versus not and trainee rank, and the minority of missing data. Our findings were comparable to regional and international benchmarks despite a high rate of ocular pathology and trainee case load. …”
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  20. 140

    Safety and efficacy of omaveloxolone v/s placebo for the treatment of Friedreich's ataxia in patients aged more than 16 years: a systematic review by Ankita Umrao, Monika Pahuja, Nabendu Sekhar Chatterjee

    Published 2024-12-01
    “…However, the short duration, small sample size, and missing data, including the values of different measures of mFARS scores in patients, limit the generalizability of the results. …”
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