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Academic Journal

Sample size calculations for randomized controlled trials with repeatedly measured continuous variables as primary outcomes need improvements: a cross-sectional study.

Authors : Ren Y; Institute of Integrated Traditional Chinese and Western Medicine, Chinese Evidence-based Medicine Center, West China Hospital, Sichuan University, Chengdu, China; NMPA Key Laboratory for Real World Data Research and Evaluation in Hainan, Chengdu, China

Subjects: Randomized Controlled Trials as Topic* ; Sample Size*; Cross-Sectional Studies

Source: Journal of clinical epidemiology [J Clin Epidemiol] 2024 Feb; Vol. 166, pp. 111235. Date of Electronic Publication: 2023 Dec 09.Publisher: Elsevier Country of Publication: United States NLM ID: 8801383 Publication Model: Print-Electronic Cited Medium: Internet ISSN:

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Academic Journal

A response to "Realism and robustness require increased sample size when studying both sexes".

Authors : Phillips B; Data Sciences & Quantitative Biology, Discovery Sciences, R&D, AstraZeneca, Cambridge, United Kingdom.; Haschler TN

Subjects: Sample Size*; Female ; Male

Source: PLoS biology [PLoS Biol] 2024 Apr 12; Vol. 22 (4), pp. e3002578. Date of Electronic Publication: 2024 Apr 12 (Print Publication: 2024).Publisher: Public Library of Science Country of Publication: United States NLM ID: 101183755 Publication Model: eCollection Cited Medium: Internet

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Editorial & Opinion

Response to Letter from Wong on determining the target difference in sample size calculations for randomised controlled trials.

Authors : Cook JA; Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK.; Parker RA

Subjects: Sample Size*; Humans ; Randomized Controlled Trials as Topic

Source: Trials [Trials] 2024 Mar 02; Vol. 25 (1), pp. 161. Date of Electronic Publication: 2024 Mar 02.Publisher: BioMed Central Country of Publication: England NLM ID: 101263253 Publication Model: Electronic Cited Medium: Internet ISSN: 1745-6215

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Academic Journal

Re-evaluating the role of pilot trials in informing effect and sample size estimates for full-scale trials: a meta-epidemiological study.

Authors : Ying X; Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA.; Robinson KA

Subjects: Sample Size*; Humans ; Pilot Projects

Source: BMJ evidence-based medicine [BMJ Evid Based Med] 2023 Nov 22; Vol. 28 (6), pp. 383-391. Date of Electronic Publication: 2023 Nov 22.Publisher: BMJ Publishing Group Country of Publication: England NLM ID: 101719009 Publication Model: Electronic Cited Medium: Internet ISSN:

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Academic Journal

How important is the linearity assumption in a sample size calculation for a randomised controlled trial where treatment is anticipated to affect a rate of change?

Authors : Morgan KE; Department of Medical Statistics, London School of Hygiene and Tropical Medicine, London, UK. .; White IR

Subjects: Sample Size*; Humans ; Computer Simulation

Source: BMC medical research methodology [BMC Med Res Methodol] 2023 Nov 21; Vol. 23 (1), pp. 274. Date of Electronic Publication: 2023 Nov 21.Publisher: BioMed Central Country of Publication: England NLM ID: 100968545 Publication Model: Electronic Cited Medium: Internet ISSN: 1471-2288

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Academic Journal

Nonlinear effects and effect modification at the participant-level in IPD meta-analysis part 2: methodological guidance is available.

Authors : Marlin N; Methodology Research Unit, Centre for Evaluation and Methods, Wolfson Institute of Population Health, Queen Mary University of London, 58 Turner Street, London E1 2AB, UK. Electronic address: .; Godolphin PJ

Subjects: Sample Size* ; Meta-Analysis as Topic*; Humans

Source: Journal of clinical epidemiology [J Clin Epidemiol] 2023 Jul; Vol. 159, pp. 319-329. Date of Electronic Publication: 2023 May 03.Publisher: Elsevier Country of Publication: United States NLM ID: 8801383 Publication Model: Print-Electronic Cited Medium: Internet ISSN:

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Academic Journal

[Myths and reality about calculating sample size].

Authors : Prieto-Valiente L; Universidad Católica San Antonio de Murcia, Guadalupe de Maciascoque, España.; Sociedad Científica de Investigación Biomédica, Palma de Mallorca, España.

Subjects: Sample Size*; Humans

Source: Revista de neurologia [Rev Neurol] 2023 Jul 01; Vol. 77 (1), pp. 31-33.Publisher: Revista De Neurologia Country of Publication: Spain NLM ID: 7706841 Publication Model: Print Cited Medium: Internet ISSN: 1576-6578

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Report

Reply to: Multivariate BWAS can be replicable with moderate sample sizes.

Authors : Tervo-Clemmens B; Department of Psychiatry, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA. .; Marek S

Subjects: Sample Size*

Source: Nature [Nature] 2023 Mar; Vol. 615 (7951), pp. E8-E12.Publisher: Nature Publishing Group Country of Publication: England NLM ID: 0410462 Publication Model: Print Cited Medium: Internet ISSN:

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Academic Journal

Empirical assessment of fragility index based on a large database of clinical studies in the Cochrane Library.

Authors : Xing A; Biostatistics and Research Decision Sciences, Merck & Co., Inc., Rahway, New Jersey, USA.; Department of Statistics, Florida State University, Tallahassee, Florida, USA.

Subjects: Sample Size* ; Clinical Studies as Topic*; Humans

Source: Journal of evaluation in clinical practice [J Eval Clin Pract] 2023 Mar; Vol. 29 (2), pp. 359-370. Date of Electronic Publication: 2022 Nov 02.Publisher: Wiley-Blackwell Country of Publication: England NLM ID: 9609066 Publication Model: Print-Electronic Cited Medium: Internet ISSN:

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Academic Journal

Tempest in a teacup: An analysis of p-Hacking in organizational research.

Authors : Gupta A; Department of Management and Entrepreneurship, School of Business, Virginia Commonwealth University, Richmond, VA, United States of America.; Bosco F

Subjects: Sample Size*; Prevalence

Source: PloS one [PLoS One] 2023 Feb 24; Vol. 18 (2), pp. e0281938. Date of Electronic Publication: 2023 Feb 24 (Print Publication: 2023).Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet

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نتائج البحث

فلترة النتائج

Sample size calculations for randomized controlled trials with repeatedly measured continuous variables as primary outcomes need improvements: a cross-sectional study.

A response to "Realism and robustness require increased sample size when studying both sexes".

Response to Letter from Wong on determining the target difference in sample size calculations for randomised controlled trials.

Re-evaluating the role of pilot trials in informing effect and sample size estimates for full-scale trials: a meta-epidemiological study.

How important is the linearity assumption in a sample size calculation for a randomised controlled trial where treatment is anticipated to affect a rate of change?

Nonlinear effects and effect modification at the participant-level in IPD meta-analysis part 2: methodological guidance is available.

[Myths and reality about calculating sample size].

Reply to: Multivariate BWAS can be replicable with moderate sample sizes.

Empirical assessment of fragility index based on a large database of clinical studies in the Cochrane Library.

Tempest in a teacup: An analysis of p-Hacking in organizational research.