Concierge Home | Biostatistics | Clinical Research

The Biostatistics Concierge provides guidance and support to investigators who need assistance with analyzing and interpreting data for nutrition and obesity-related research.


Data Management
Importing datasets from excel into SAS, checking datasets for outliers and logic errors, creating new variables and datasets, updating/maintaining existing datasets as new data is generated

Grant Writing & Development
Assistance reviewing grant applications, determining the statistical methods required to address the primary and secondary aims, writing, reviewing and/or editing the statistical analysis and power and sample size sections for proposals

Manuscript Development
Writing statistical methods sections describing the analyses performed, creating tables, figures and graphs, reviewing the results sections (to ensure statistical analyses are accurately conveyed)

Sample Size & Power Calculations
Determining the appropriate statistical test for study aim(s) of interest, obtaining estimates of potential effect sizes from investigators, using potential sample sizes provided by the investigator to determine power or necessary sample size

Statistical Analyses
Linear regression, t-tests, mann-whitney tests, chi-square tests, logistic regression, mixed models, survival analysis, proportional hazards models, permutation and randomization tests, kaplan-meier curves, ANOVA, ANOCOVA

Statistical Consultation
Discussion of the original problem in order to determine the statistical needs, periodic clarification during the work process to ensure accuracy, preparing and relaying the results in non-statistical language they can understand, reviewing results with the investigator to be sure they know what the results mean

Statistical Programming
SAS programming for data management, sample size and power calculations and statistical analyses using nQuery or Excel


Joseph Galanko, PhD, Biostatistics Concierge

Research Assistant Professor
Department of Medicine/Division of Gastroenterology and Hepatology 
T: (919) 966-8557

Service Request Form
To request biostatistics concierge services, please complete the online service request form.