Skip Navigation
Johns Hopkins Center on Aging and Health

Biostatistics Core (COAH)
Key Personnel
Help Desk

Data Acquisition & Repository System (DARS)
News and Events

Qian-Li Xue, PhD, Director

The Biostatistics Core at the Center on Aging and Health provides first-class statistical expertise to the researchers on aging at the Johns Hopkins Medical Institutions. Our group of internationally recognized biostatisticians shares a commitment to quality education and research to advance the science on aging.

The Biostatistics Core works to:

  • Provide the highest quality professional advice and statistical support to the researchers, fellows and trainees on study design, data collection, data management, data analysis and interpretation of research finding.
  • Provide the highest quality statistical education and training to acquaint the next generation of gerontologists and geriatricians with modern statistical tools needed to validly analyze and interpret data.
  • Advance the science of aging by developing new analytic methods and applications.
  • Assist in developing methodologies for translating epidemiologic research findings into clinical recommendations and interventions.
  • Provide state-of-the-art data management, information processing, computing facilities to better achieve research goals.
design element

In the News

Dr.  Bandeen-Roche and colleagues found that 15% of older Americans are frail, and 45% are prefrail, in a large nationally representative study.

Dr. Frank Lin was awarded an NIH grant to develop and implement a community health worker model for providing hearing care to older adults.

Dr. Roth and colleagues showed that providing care to a family member with a chronic illness or disability may be associated with modest survival benefit for the caregivers in the REGARDS study.

design element


The Hopkins Frailty Assessment Calculator is now available online. Please click here to learn more.

Johns Hopkins Universitydesign elementJohns Hopkins Bloomberg School of Public Healthdesign elementJohns Hopkins Medicinedesign elementJohns Hopkins School of Nursing

©, Johns Hopkins University. All rights reserved.
Web policies, 615 N. Wolfe Street, Baltimore, MD 21205