Stat-Expert Solutions

 
 

Clinical Studies

  • Biometry/Biostatistics is an integral part of all clinical studies. Only through adequate biometry within clinical trials is it possible to demonstrate effectiveness, evaluate diagnostic procedures, estimate side effects, and verify scientific hypotheses. In a clinical study, a medication, treatment modality, or medical product is examined for its efficacy and safety.

  • Statistical and biometric procedures play a crucial role in this context, and I am here to assist you with my expertise.

  • Allow me as medical or trial statistician to support you in the statistics and analysis of your clinical studies.

  • I provide professional and quality-assured assistance in all cases

  • Feel free to submit a non-binding inquiry, and I will get back to you promptly.

My Services in Detail for Clinical Studies

Study Protocol – Investigational Plan (CIP)

  • Formulation and determination of study objectives and primary and secondary endpoints

  • Defining and advising on an appropriate study design

  • Establishment of inclusion and exclusion criteria

  • Professional sample size calculation with sensitivity analysis and documentation for the study protocol submission

  • Comprehensive creation of the statistical section of the study protocol: hypotheses, definition of planned analyses, determination of primary and secondary endpoints, specification of interim analyses, definition of analysis populations (Intent-to-Treat [ITT], Per-Protocol [PP], As-Treated [AT], Safety), handling of missing data and dropouts

  • Determining the randomization procedure

 

Data collection

  • Reviewing the data collection forms to ensure that they are accurate and complete

  • Providing guidance on the methods for collecting and recording the data, including the methods for minimizing bias and errors

  • Reviewing the data as it is collected to ensure that it is consistent with the study protocol and to identify any discrepancies or errors

 

Statistical Analysis Plan (SAP)

  • Accurate description of study evaluations (demographics and baseline characteristics, efficacy, safety)

  • Description of the study design, primary and secondary endpoints

  • Description of derived variables

  • Appropriate selection of methods for handling missing data Precise and comprehensive description of the statistical methodology, including power analysis

  • Analysis of covariates, prospective specification of subgroup analyses

  • Sensitivity analyses

  • Specification for analysis and programming Enumeration of all Tables, Listings, and Figures (TLF) with blank templates

 

Comprehensive statistical analyses

  • Description of the study population

  • Descriptive and exploratory statistics

  • Developing and implementing statistical methods for analyzing the data, including methods for handling missing data and for dealing with outliers

  • Conducting statistical tests to determine whether the results are statistically significant

  • Generating graphs and tables to help visualize the results

  • Interpreting the results in the context of the study goals and objectives

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  • Analysis of primary and secondary endpoints

  • Application of simple and  complex methods (e.g., Mixed Model, MMRM, GLM, etc.) for confounder adjustment

  • Bayesian methods applied when appriate

  • Programming of the complete analysis in SAS, R, SPSS, or Stata

Report Writing

  • Preparation of the statistical report

  • Summarizing the results of the statistical analyses in a clear and concise manner

  • Preparing tables, figures, and other visual aids to help present the results in an easy-to-understand format

  • Comprehensive creation of the statistical chapters for the clinical report

  • Assisting with the preparation of abstracts, posters, and manuscripts for publication in scientific journals

 Should you have  projects with the need of a statistical expertise, I invite you to contact  me to discuss them further

Selected projects involving my expertise as a statistician

Deaths during the first year of the COVID-19 pandemic: insights from regional patterns in Germany and Poland

Psoriasis, cardiovascular risk factors and metabolic disorders: sex-specific findings of a population-based study

Assoziationen zwischen räumlicher Entfernung zum Hausarzt und individuellen gesundheitlichen und sozialen Faktoren in der älteren Bevölkerung im Ruhrgebiet – Ergebnisse der Heinz Nixdorf Recall Studie, Dr. Jonas Knittel

Der Zusammenhang zwischen dem Blutdruck und der olfaktorischen Funktion in der älteren Population, Dr Aref El-Sabbagh

Liberal intraoperative fluid management leads to increased
complication rates in geriatric patients with hip fracture, Bastian Pass

https://doi.org/10.1007/s00068-023-02326-5

Spinal anesthesia with better outcome in geriatric hip fracture surgery –An analysis of the Registry for Geriatric Trauma (ATR-DGU),  Dr. Bastian Pass

Expert opinion on the master’s thesis: Multilevel Conditional Autoregressive Growth
Models for Longitudinal and Spatially
Referenced Data, Submitted by Antoniya Dineva