Ella A. Chrenka M.S.
Manager of Statistical Services and Biostatistician
About

Ella Chrenka, MS, is a Biostatistician and manager of the Research Methodology Group at HealthPartners Institute. She earned her Master of Science in Biostatistics at the University of Minnesota graduating in 2019. Her focus areas include theory and application of statistical methods for quantitative analysis and approaches to clinical study design, with a specific interest in pragmatic trials. Ella provides statistical consulting services to investigators within the Health Partners Institute, the Neuroscience Research Centers and clinician-investigators working in critical care.

Conducting Institute research since 2019.

Education and training:
 
Master of Science, Biostatistics - University of Minnesota - Twin Cities
Bachelor of Arts, Speech-Language-Hearing Sciences - University of Minnesota - Twin Cities

Current research activities and funding:
Factors Associated with Healthcare Utilization Among Community-Dwelling Adults with Clinical Features of Dementia with Lewy Bodies, PI: Wyman-Chick, National Institute on Aging/NIH/DHHS

SCISIPBIO: Constructing Heterogeneous Scholarly Graphs to Examine Social Capital Accumulation During Mentored K Awardees Transition to Research Independence: Explicating a Matthew Mechanism, PI: Mabry, National Science Foundation

Hotspotting Cardiometabolic Disparities for Simulated Advances in Population Care, PI: Westgard, National Institute on Aging/NIH/DHHS

Optimizing the Value of PROMs in Improving Care Delivery through Health Information Technology (PROMOTE) , PI: Solberg, Agency for Healthcare Research and Quality

Affiliation
positions
  • Manager of Statistical Services and Biostatistician, Research Methodology Group 2019 -
  • Publications While At HealthPartners
    selected publications
    Journal Article
  • Distinguishing prodromal dementia with Lewy bodies from prodromal Alzheimer disease: a longitudinal study
    Neurology. Clinical practice. 2025
  • An electronic teen questionnaire, the eTeenQ, for risk behavior screening during adolescent well visits in an integrated health system: development and pilot implementation
    JMIR pediatrics and parenting. 2024
  • COVID-19 vaccine uptake among non-US-born populations in the United States, 2020-2022
    Vaccine. 2024
  • Colchicine and/or Naltrexone for hospitalized COVID-19 patients not requiring high levels of ventilatory support (COLTREXONE): a prospective, randomized, open-label trial
    Cureus. 2024
  • Identifying racial and ethnic disparities in acute inpatient rehabilitation
    Archives of Physical Medicine and Rehabilitation. 2024
  • Improving access to yoga for chronic pain in a Spanish-speaking community: a quality improvement initiative
    Pain Management Nursing. 2024
  • The impact of stimulant medications on blood pressure and body mass index in children with attention deficit hyperactivity disorder
    Academic Pediatrics. 2024
  • Time to COVID-19 vaccination by language and country of origin
    JAMA network open. 2024
  • Use of sequential hot-deck imputation for missing health care systems data for population health research
    Medical Care. 2024
  • Care coordination in primary care: mapping the territory
    American Journal of Managed Care. 2023
  • Describing racial disparity in hypertension control in a large Minnesota outpatient practice
    Health services research and managerial epidemiology. 2023
  • Diffusion restriction in the splenium: a comparative study of cytotoxic lesions of the corpus callosum (CLOCCs) versus lesions of vascular etiology
    Journal of clinical medicine. 2023
  • Diffusion-restricted lesions of the splenium: clinical presentation, radiographic patterns, and patient outcomes
    Neurology. Clinical practice. 2023
  • Factor analysis in distinguishing coronavirus disease 2019 from other influenza-like illness using a validated patient-reported outcome instrument FLU-PRO Plus: a prospective real-world cohort study
    Medical Care. 2023
  • Potentially preventable readmissions after acute inpatient rehabilitation
    American Journal of Physical Medicine and Rehabilitation. 2023
  • Adjusting for variation in patient-reported outcome measures is needed to improve care after total knee arthroplasty
    Journal of the American Academy of Orthopaedic Surgeons. 2022
  • Clinical decision support with or without shared decision making to improve preventive cancer care: a cluster-randomized trial
    Medical Decision Making. 2022
  • Human papillomavirus vaccination clinical decision support for young adults in an upper midwestern healthcare system: a clinic cluster-randomized control trial
    Human Vaccines & Immunotherapeutics. 2022
  • Improving care for patients with chronic hepatitis B via establishment of a disease registry
    American Journal of Tropical Medicine and Hygiene. 2022
  • Is shared decision-making associated with better patient-reported outcomes? A longitudinal study of patients undergoing total joint arthroplasty
    Clinical Orthopaedics and Related Research. 2022
  • Is the promise of PROMs being realized? Implementation experience in a large orthopedic practice
    American Journal of Medical Quality. 2022
  • Primary care clinicians' opinions before and after implementation of cancer screening and prevention clinical decision support in a clinic cluster-randomized control trial: a survey research study
    BMC Health Services Research. 2022
  • Rate and predictors of acute care encounters in the first month after stroke
    Journal of Stroke and Cerebrovascular Diseases. 2022
  • Readmission to an acute care hospital during inpatient rehabilitation after stroke
    American Journal of Physical Medicine and Rehabilitation. 2022
  • Systematic surveillance of patient-reported symptoms of viral respiratory tract infectious syndromes in diverse populations
    BMC Health Services Research. 2022
  • What do orthopaedists believe is needed for incorporating patient-reported outcome measures into clinical care? A qualitative study
    Clinical Orthopaedics and Related Research. 2022
  • Barriers to achieving target door-to-needle time in patients treated with IV thrombolysis
    Healthc Res J. 2021
  • Design and rationale of an intervention to improve cancer prevention using clinical decision support and shared decision making: a clinic-randomized trial
    Contemporary Clinical Trials. 2021
  • Evaluation of fixed versus variable dosing of 4-factor prothrombin complex concentrate for emergent warfarin reversal
    American Journal of Emergency Medicine. 2021
  • The impact of personalized clinical decision support on primary care patients' views of cancer prevention and screening: a cross-sectional survey
    BMC Health Services Research. 2021
  • Contact
    full name
  • Ella A. Chrenka, M.S.
  • primary email
  • Ella.A.Chrenka@HealthPartners.com
  • located in facility
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