Biostatistician — Reliability & Agreement Analysis for Consumer Device

@mehmoodfaisal61

Hello, I hope you are doing well. I hold a master's degree in Statistics from a renowned university and certification in Biostats. I am a well experienced statistician, having vast experience in solving medical problems using statistical methods. I have good command over popular statistical software i.e., Excel, SPSS, RStudio, Jamovi, and Stata (please visit my profile to check reviews for my past projects). I have reviewed and understood your requirements, I can help you with this project. Please feel free to ask me, if you have any queries.

@WycOj

As a Biostatistician with over 7 years of experience, I've worked extensively on reliability and agreement analysis, making me an ideal fit for your project. I have a strong background in medical research and data analysis, which includes in-depth proficiency in SAS, SPSS Statistics, and other relevant software. Where I believe I can offer tremendous value is in my proven ability to provide comprehensive analysis across different domains. I specialize not only in statistical analyses for clinical research, but further extend that expertise to the field of medical devices. As such, I understand the importance of measurement reliability and repeatability for consumer body-composition devices and can effectively perform ICC, least significant change/measurement error, and Bland-Altman analyses for you. Let me provide one concrete example of a project where I have performed similar analyses: I was involved in a validation study of an innovative blood glucose monitoring device for diabetes management. Utilizing my skills in data cleaning and manipulation as well as statistical modeling, I conducted test-retest reliability and agreement analysis which included ICC calculations and Bland-Altman plots. The outcome of this analysis provided valuable insights into the performance of the device which greatly influenced decision makings. It would be a privilege to lend my expertise to your project. Let's get started on this exciting endeavor!

@AITSoft

Hi, I understand you need a clear review of the validation protocol and analysis of test-retest reliability for a consumer body-composition device. I would check the repeated-measures design, define the correct ICC model, estimate measurement error and least significant change, and prepare Bland-Altman results with clear interpretation. My Data Analysis and Data Management approach would keep the work reproducible, with documented assumptions, clean outputs, and a concise report that supports study decisions. I can also review whether the planned sample and timing are suitable for the intended claims. I work carefully with structured study data, including data exported from iOS-connected devices where relevant. I can share a relevant reliability/agreement analysis example and explain the reasoning behind the selected methods. What are the measurement intervals, expected sample size, and primary agreement claim you need the analysis to support? I can begin with the protocol and data structure, then confirm the analysis plan before producing the final results.

@qualityxenter

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@SkillCrafts

I understand you're seeking a biostatistician for a focused reliability and agreement analysis, similar to the ICC and Bland-Altman work I've completed for previous medical device validation studies, ensuring robust measurement error assessment. My approach involves utilizing R with packages like `psych` for ICC, `blandr` for Bland-Altman plots and limits of agreement, and custom functions to calculate Least Significant Change (LSC) based on your study's standard error of measurement (SEM). I will meticulously review your protocol to ensure appropriate statistical considerations are addressed prior to data analysis. To best tailor the analysis, could you clarify the primary outcome measure for body composition and the expected variability? I'm available for a brief call to discuss your specific needs further.

@Mahihassi

As an Electrical Engineer with a Masters in Embedded Systems, my profile may not seem immediately relevant to your project in biostatistics - however, this unique background has allowed me to see problems from multiple perspectives and approach them with greater analytical depth. I have a profound grasp of statistical analysis and proficiency in Mathematics, which is essential for test-retest reliability and agreement investigations as required in your study. Furthermore, my bio-statistical experience is not be underestimated. Though unconventional for my field, I have personally implemented statistical methods like ICC, least significant change / measurement error analyses and Bland-Altman analysis in the context of biomedical instrumentation—primarily for numerous diagnostic devices. This experience closely aligns with your project's goals; thus, benefiting your undertaking and shortening my learning curve.

@mobasherreza10

Hi there, As a statistician by specialisation, I'm adept at tackling projects similar to yours and hence recognise the value of thoroughness and meticulousness in a validation study. Over my 50+ projects, I've developed a proven skillset grounded in reliable statistical analysis and interpretation. Specifically, for one validation study of a medical device, I performed an Intraclass Correlation Coefficient (ICC), Least Significant Change / Measurement Error, and Bland-Altman analysis just as your project demands. By paring that professional experience with my fluency in relevant software within the scientific realm like Python, Pandas, Scikit-learn and my proficiency in handling large datasets résumé together quite a package that would be a perfect match for your requirement. Additionally, throughout my career, I've meticulously documented my work through technical writing. This has cultivated the ability to clearly communicate complex statistical findings which will be invaluable in translating my analysis into actionable insights for your team. Best regards, Mobasher Reza