Grisell Diaz-Ramirez
Sr. Statistical Scientist
Medicine
School of Medicine

Technical leader with a high degree of knowledge in large-scale survey data management and analysis (e.g. Health and Retirement study, English Longitudinal Study on Ageing, and Medicare data)

Awards

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• Pepper Center Development Project Award, UCSF, 2019-2020

Publications (27)

Top publication keywords:
LipolysisAnesthesiaMortalityBayes TheoremAlgorithmsDiacylglycerol O-AcyltransferaseIguanasPercutaneous Coronary InterventionConservation of Natural ResourcesActivities of Daily LivingElective Surgical ProceduresMemory DisordersCoronary Artery Bypass, Off-PumpCoronary Artery BypassDisabled Persons

• Geriatric conditions and healthcare utilization among older adults living in subsidized housing.
  Journal of the American Geriatrics Society 2024 Kler SE, Diaz-Ramirez LG, Ryskina KL, Young Jeon S, Patel K, Cudjoe TKM, Ritchie CS, Harrison KL, Boscardin WJ, Brown RT
• Incidence of Traumatic Brain Injury in a Longitudinal Cohort of Older Adults.
  JAMA network open 2024 Kornblith E, Diaz-Ramirez LG, Yaffe K, Boscardin WJ, Gardner RC
• Childhood adverse life events and skeletal muscle mitochondrial function. Sci. Adv
  Childhood adverse life events and skeletal muscle mitochondrial function. Sci. Adv. 2024 Duchowny KA, Marcinek DJ, Mau T, Diaz-Ramirez LG, Lui LY, Toledo FGS, Cawthon PM, Hepple RT, Kramer PA, Newman AB, Kritchevsky SB, Cummings SR, Coen PM, Molina AJA
• Long-term cognitive outcome after elective hip or knee total joint arthroplasty: A population-based observational study.
  Journal of the American Geriatrics Society 2024 Tang AB, Diaz-Ramirez LG, Boscardin WJ, Smith AK, Ward D, Glymour MM, Whitlock EL
• Around the EQUATOR with Clin-STAR: Prediction modeling opportunities and challenges in aging research.
  Journal of the American Geriatrics Society 2023 Deardorff WJ, Diaz-Ramirez LG, Boscardin WJ, Smith AK, Lee SJ

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• Preoperative Factors Predict Memory Decline After Coronary Artery Bypass Grafting or Percutaneous Coronary Intervention in an Epidemiological Cohort of Older Adults.
  Journal of the American Heart Association 2022 Tang AB, Diaz-Ramirez LG, Smith AK, Lee SJ, Whitlock EL
• Changes in the Hierarchy of Functional Impairment From Middle Age to Older Age.
  The journals of gerontology. Series A, Biological sciences and medical sciences 2022 Brown RT, Diaz-Ramirez LG, Boscardin WJ, Cappola AR, Lee SJ, Steinman MA
• A comprehensive prognostic tool for older adults: Predicting death, ADL disability, and walking disability simultaneously.
  Journal of the American Geriatrics Society 2022 Lee AK, Diaz-Ramirez LG, Boscardin WJ, Smith AK, Lee SJ
• Association of Coronary Artery Bypass Grafting vs Percutaneous Coronary Intervention With Memory Decline in Older Adults Undergoing Coronary Revascularization.
  JAMA 2021 Whitlock EL, Diaz-Ramirez LG, Smith AK, Boscardin WJ, Covinsky KE, Avidan MS, Glymour MM
• A Novel Metric for Developing Easy-to-Use and Accurate Clinical Prediction Models: The Time-cost Information Criterion.
  Medical care 2021 Lee SJ, Smith AK, Diaz-Ramirez LG, Covinsky KE, Gan S, Chen CL, Boscardin WJ
• A Novel Method for Identifying a Parsimonious and Accurate Predictive Model for Multiple Clinical Outcomes.
  Computer methods and programs in biomedicine 2021 Diaz-Ramirez LG, Lee SJ, Smith AK, Gan S, Boscardin WJ
• Changes in functional status associated with radiation for prostate cancer in older veterans.
  Journal of geriatric oncology 2020 Ursem C, Diaz-Ramirez LG, Boscardin J, Lee S
• Defining intraspecific conservation units in the endemic Cuban Rock Iguanas (Cyclura nubila nubila).
  Scientific reports 2020 Shaney KJ, Diaz-Ramirez LG, Espindola S, Castañeda-Rico S, Berovides-Álvarez V, Vázquez-Domínguez E
• Mixed-Effects Models and Complex Survey Data with the GLIMMIX Procedure
  Proceedings of the SAS® Global Forum 2020 Diaz-Ramirez LG, Jing B, Covinsky KE, Boscardin WJ
• Propensity Score Matching with Survey Data
  Proceedings of the SAS® Global Forum 2020 Jing B, Diaz-Ramirez LG, Boscardin WJ, Steinman MA
• Surgery and persistent cognitive decline: a commentary and an independent discussion.
  British journal of anaesthesia 2019 Whitlock EL, Grisell Diaz-Ramirez L, Avidan MS
• Association of Functional Impairment in Middle Age With Hospitalization, Nursing Home Admission, and Death.
  JAMA internal medicine 2019 Brown RT, Diaz-Ramirez LG, Boscardin WJ, Lee SJ, Williams BA, Steinman MA
• Survival Estimates Prediction with Survey Data
  Proceedings of the SAS® Global Forum, Dallas, TX: SAS Institute Inc., Cary, NC. 2019 April 28 - May 1 2019 Jing B, Diaz-Ramirez LG, Boscardin WJ, Lee AK, Lee SJ
• Cognitive Change After Cardiac Surgery Versus Cardiac Catheterization: A Population-Based Study.
  The Annals of thoracic surgery 2018 Whitlock EL, Diaz-Ramirez LG, Smith AK, Boscardin WJ, Avidan MS, Glymour MM
• 'Til Death Do Us Part: End-of-Life Experiences of Married Couples in a Nationally Representative Survey.
  Journal of the American Geriatrics Society 2018 Kotwal AA, Abdoler E, Diaz-Ramirez LG, Kelley AS, Ornstein KA, Boscardin WJ, Smith AK
• Combined Predictor Selection for Multiple Clinical Outcomes Using PHREG
  Proceedings of the Western Users of SAS® Software (WUSS), Sacramento, CA: SAS Institute Inc., Cary, NC 2018 Diaz-Ramirez LG, Gan S, Lee SJ, Smith AK, Boscardin WJ
• Wealth-Associated Disparities in Death and Disability in the United States and England.
  JAMA internal medicine 2017 Makaroun LK, Brown RT, Diaz-Ramirez LG, Ahalt C, Boscardin WJ, Lang-Brown S, Lee S
• Functional Impairment and Decline in Middle Age: A Cohort Study.
  Annals of internal medicine 2017 Brown RT, Diaz-Ramirez LG, Boscardin WJ, Lee SJ, Steinman MA
• Association Between Persistent Pain and Memory Decline and Dementia in a Longitudinal Cohort of Elders.
  JAMA internal medicine 2017 Whitlock EL, Diaz-Ramirez LG, Glymour MM, Boscardin WJ, Covinsky KE, Smith AK
• Triglyceride Synthesis by DGAT1 Protects Adipocytes from Lipid-Induced ER Stress during Lipolysis.
  Cell metabolism 2017 Chitraju C, Mejhert N, Haas JT, Diaz-Ramirez LG, Grueter CA, Imbriglio JE, Pinto S, Koliwad SK, Walther TC, Farese RV
• Perfluoroalkyl chemicals and asthma among children 12-19 years of age: NHANES (1999-2008).
  Environmental health perspectives 2014 Humblet O, Diaz-Ramirez LG, Balmes JR, Pinney SM, Hiatt RA
• Dissociation of frontotemporal dementia-related deficits and neuroinflammation in progranulin haploinsufficient mice.
  The Journal of neuroscience : the official journal of the Society for Neuroscience 2013 Filiano AJ, Martens LH, Young AH, Warmus BA, Zhou P, Diaz-Ramirez G, Jiao J, Zhang Z, Huang EJ, Gao FB, Farese RV, Roberson ED