Biostatistics CenterBiostatistics CenterMedical Center UnitMedical Center Unit

A GWUMC Core FacilityA GWUMC Core Facility

November 29, 2006November 29, 2006GWU Research Presentation: GWU Research Presentation:

BiostatisticsBiostatistics

bscsjs@gwumc.edubscsjs@gwumc.edu202-994-7887202-994-7887

BCMCU BiostatisticiansBCMCU Biostatisticians

Sam Simmens, Ph.D. (Director)Sam Simmens, Ph.D. (Director) Heather Young, Ph.D.Heather Young, Ph.D. Karen Jones, MS (part-time)Karen Jones, MS (part-time) Afifa Klouj, MBAAfifa Klouj, MBA Other affiliated faculty:Other affiliated faculty:

Madeline Rice, Ph.D.Madeline Rice, Ph.D. Heather Hoffman, Ph.D.Heather Hoffman, Ph.D.

What we do…What we do…

Help with grant applicationsHelp with grant applications Serve on grants and contractsServe on grants and contracts Supervise student biostatisticiansSupervise student biostatisticians We serve faculty in any GWUMC We serve faculty in any GWUMC

dept.; sometimes outside of Medical dept.; sometimes outside of Medical CenterCenter

Skills in Applied BiostatisticsSkills in Applied Biostatistics

General study design, sample size calculation, General study design, sample size calculation, MS-Access database managementMS-Access database management

Standard applied statistical tools: bivariate, Standard applied statistical tools: bivariate, multivariate, regression, etcmultivariate, regression, etc

Specialized skills: measurement models, Specialized skills: measurement models, cluster randomized trial analysis, structural cluster randomized trial analysis, structural equation modeling, limit of detection analysis, equation modeling, limit of detection analysis, propensity scores, multiple imputation for propensity scores, multiple imputation for missing data, longitudinal analysis methods, missing data, longitudinal analysis methods, complex survey sample analysiscomplex survey sample analysis