Carlos O Weiss
Affiliation: Johns Hopkins University
- Prevalence of diabetes treatment effect modifiers: the external validity of trials to older adultsCarlos O Weiss
Division of Geriatric Medicine and Gerontology, Baltimore, MD 21224 2734, USA
Aging Clin Exp Res 24:370-6. 2012....
- Resting metabolic rate in old-old women with and without frailty: variability and estimation of energy requirementsCarlos O Weiss
Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, Maryland 21224, USA
J Am Geriatr Soc 60:1695-700. 2012..To measure resting metabolic rate (RMR) in old-old adults living in the community and examine the association between measured RMR and frailty status and compare it with expected RMR generated by a predictive equation...
- Incident preclinical mobility disability (PCMD) increases future risk of new difficulty walking and reduction in walking activityCarlos O Weiss
Johns Hopkins School of Medicine, 5200 Eastern Avenue, Baltimore, MD 21224 2734, USA
Arch Gerontol Geriatr 54:e329-33. 2012..This study examines whether and how report of a change in walking behavior, incident PCMD, predicts subsequent reduction in walking activity...
- Assessing the applicability of trial evidence to a target sample in the presence of heterogeneity of treatment effectCarlos O Weiss
Department of Family Medicine, College of Human Medicine, Michigan State University, East Lansing, MI, USA
Pharmacoepidemiol Drug Saf 21:121-9. 2012..To propose methods for the quantitative assessment of the applicability of evidence from a trial to a target sample using individual data...
- Frailty and chronic diseases in older adultsCarlos O Weiss
Division of Geriatric Medicine and Gerontology, Johns Hopkins School of Medicine, 5200 Eastern Avenue, Mason F Lord Center Tower 707, Baltimore, MD 21224 2734, USA
Clin Geriatr Med 27:39-52. 2011....
- Relationships of cardiac, pulmonary, and muscle reserves and frailty to exercise capacity in older womenCarlos O Weiss
Division of Geriatric Medicine and Gerontology, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, Maryland, USA
J Gerontol A Biol Sci Med Sci 65:287-94. 2010..We assessed whether the relationship of three main physiological systems-cardiac, pulmonary, and musculoskeletal-to EC is independent or interactive and whether their effect on EC varies with respect to frailty status...
- Differences in amount of informal care received by non-Hispanic whites and latinos in a nationally representative sample of older AmericansCarlos O Weiss
Center on Aging and Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland 21205, USA
J Am Geriatr Soc 53:146-51. 2005..Clinicians should be alert to the significant amount of informal care and possible associated strain in caregivers of older Latinos...
- Exploring the hierarchy of mobility performance in high-functioning older womenCarlos O Weiss
Center on Aging and Health, Johns Hopkins Medical Institutions, Baltimore, MD 21205, USA
J Gerontol A Biol Sci Med Sci 62:167-73. 2007....
- Self-selected walking speed was consistent when recorded while using a caneCarlos O Weiss
Division of Geriatric Medicine and Gerontology, Johns Hopkins School of Medicine, Baltimore, MD 21224 2734, USA
J Clin Epidemiol 61:622-7. 2008..To assess whether loss of consistency or systematic measurement error is introduced by allowing older individuals to use a cane during measurement of self-selected walking speed (SSWS)...
- Compensatory strategies used by older adults facing mobility disabilityCarlos O Weiss
Division of Geriatric Medicine and Gerontology, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD 21224 2734, USA
Arch Phys Med Rehabil 88:1217-20. 2007....
- At the tipping point: predicting severe mobility difficulty in vulnerable older womenJosette A Rivera
Division of Geriatric Medicine and Gerontology, Center on Aging and Health, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
J Am Geriatr Soc 56:1417-23. 2008..To identify clinical measures that aid detection of impending severe mobility difficulty in older women...
- Physician evaluation and management of Medicare home health patientsJennifer L Wolff
Department of Health Policy and Management, Lipitz Center for Integrated Health Care, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA
Med Care 47:1147-55. 2009..The Medicare home health benefit is predicated on physician referral and involvement. In this study, we investigated (1) the frequency and (2) implications of home health patients' evaluation and management by community physicians...
- Medicare home health patients' transitions through acute and post-acute care settingsJennifer L Wolff
Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland 21205, USA
Med Care 46:1188-93. 2008....
- The prevalence of clinically-relevant comorbid conditions in patients with physician-diagnosed COPD: a cross-sectional study using data from NHANES 1999-2008Kerry Schnell
Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, USA
BMC Pulm Med 12:26. 2012..The objective of this analysis was to estimate the prevalence of comorbidity in COPD using nationally-representative data...
- Difficulty assisting with health care tasks among caregivers of multimorbid older adultsErin R Giovannetti
Division of Geriatrics, Johns Hopkins School of Medicine, Baltimore, MD 21224, USA
J Gen Intern Med 27:37-44. 2012..The difficulty they experience in providing this assistance, and related implications for their well-being, have not been well described...
- Community aging in place, advancing better living for elders: a bio-behavioral-environmental intervention to improve function and health-related quality of life in disabled older adultsSarah L Szanton
Department of Health Systems and Outcomes, School of Nursing, Johns Hopkins University, Baltimore, Maryland 21205, USA
J Am Geriatr Soc 59:2314-20. 2011..To determine effect size and acceptability of a multicomponent behavior and home repair intervention for low-income disabled older adults...
- Benefits and harms of roflumilast in moderate to severe COPDTsung Yu
Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, USA
Thorax 69:616-22. 2014..It is unclear which patients will have a favourable benefit-harm balance with roflumilast. Our aim was to quantitatively assess the benefits and harms of roflumilast (500 µg/day) compared with placebo...
- Frailty status and altered glucose-insulin dynamicsRita Rastogi Kalyani
Division of Endocrinology and Metabolism, Department of Medicine, Johns Hopkins University School of Medicine, 1830 East Monument Street, Suite 333, Baltimore, MD 21287, USA
J Gerontol A Biol Sci Med Sci 67:1300-6. 2012..We examined women in their 80s and 90s and evaluated the hypothesis that abnormalities in the dynamic response of glucose and insulin to a glucose load are associated with frailty status...
- Informing clinical practice guideline development and implementation: prevalence of coexisting conditions among adults with coronary heart diseaseCynthia M Boyd
Division of Geriatric Medicine, Bloomberg School of Public Health, The Johns Hopkins University, Baltimore, Maryland, USA
J Am Geriatr Soc 59:797-805. 2011..To describe the prevalence of coexisting conditions that affect clinical decision-making in adults with coronary heart disease (CHD)...
- Multimorbidity and evidence generationCarlos O Weiss
Department of Family Medicine, College of Human Medicine, Michigan State University, East Lansing, USA
J Gen Intern Med 29:653-60. 2014....
- A framework for the analysis of heterogeneity of treatment effect in patient-centered outcomes researchRavi Varadhan
Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
J Clin Epidemiol 66:818-25. 2013..Heterogeneity of treatment effect analysis should be identified as confirmatory, descriptive, exploratory, or predictive analysis. Evidence should be interpreted in a manner consistent with the analytic goal. ..
- Framework for evaluating disease severity measures in older adults with comorbidityCynthia M Boyd
Johns Hopkins University School of Medicine, Division of Geriatric Medicine and Gerontology, Baltimore, MD 21224, USA
J Gerontol A Biol Sci Med Sci 62:286-95. 2007..Although approaches to classifying severity of individual diseases and conditions have been developed, the utility of these classification systems has not been evaluated in the presence of multiple conditions...
- A framework for organizing and selecting quantitative approaches for benefit-harm assessmentMilo A Puhan
Johns Hopkins Bloomberg School of Public Health, 615 North Wolfe Street, Room E6153, Baltimore, MD 21205, USA
BMC Med Res Methodol 12:173. 2012..Our aim was to review existing quantitative approaches for benefit-harm assessment and to develop an organizing framework that clarifies differences and aids selection of quantitative approaches for a particular benefit-harm assessment...
- Evaluating health outcomes in the presence of competing risks: a review of statistical methods and clinical applicationsRavi Varadhan
Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
Med Care 48:S96-105. 2010..Although statistical methods exist for quantifying the probability of benefit from an intervention while accounting for competing events, these methods have not been widely adopted by clinical researchers...
- Patterns of prevalent major chronic disease among older adults in the United StatesCarlos O Weiss
JAMA 298:1160-2. 2007