Amit Kumar

ORCID: 0000-0002-0125-6759
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Geriatric Care and Nursing Homes
  • Health disparities and outcomes
  • Stroke Rehabilitation and Recovery
  • Health Systems, Economic Evaluations, Quality of Life
  • Hip and Femur Fractures
  • Emergency and Acute Care Studies
  • Frailty in Older Adults
  • Dementia and Cognitive Impairment Research
  • Healthcare Policy and Management
  • Chronic Disease Management Strategies
  • Acute Ischemic Stroke Management
  • Global Health Care Issues
  • Cerebral Palsy and Movement Disorders
  • Assistive Technology in Communication and Mobility
  • Heart Failure Treatment and Management
  • Spinal Cord Injury Research
  • Musculoskeletal pain and rehabilitation
  • Primary Care and Health Outcomes
  • Cardiac Health and Mental Health
  • Clinical practice guidelines implementation
  • Health and Well-being Studies
  • COVID-19 and healthcare impacts
  • Trauma and Emergency Care Studies
  • Patient Satisfaction in Healthcare
  • Healthcare Systems and Reforms

University of Utah
2023-2025

Lovely Professional University
2024

Central Institute of Mining and Fuel Research
2024

Rabindranath Tagore Medical College
2018-2024

Chitkara University
2024

Institute of Engineering
2024

Northern Arizona University
2019-2023

Quantum University
2023

Indian Institute of Technology Roorkee
2023

Brown University
2016-2021

Little is known about older patient's mobility soon after discharge home from an acute hospitalization. We examined daily postdischarge levels as marker of overall health and response to in-hospital treatment in medicine patients.One hundred eleven ambulatory men women aged 65 years hospitalized with medical illness discharged were studied. Patients received ankle-worn accelerometer during hospitalization wore it continually for up 1 week discharge. Total number steps taken per day was...

10.1093/gerona/gls252 article EN The Journals of Gerontology Series A 2012-12-19

Background Medicare Advantage (MA) and fee-for-service (FFS) plans have different financial incentives. pays predetermined rates per beneficiary to MA for providing care throughout the year, while providers serving FFS patients are reimbursed utilization event. It is unknown how these incentives affect post-acute in skilled nursing facilities (SNFs). The objective of this study was examine differences rehabilitation service use, length stay, outcomes following hip fracture between enrollees....

10.1371/journal.pmed.1002592 article EN public-domain PLoS Medicine 2018-06-26

Functional mobility is necessary to perform activities of daily living and for community participation everyone, but especially important persons with disabilities (PWD). Therefore, functional requires reliable measurement consumer satisfaction changes. The assessment (FMA) instrument a self-report outcomes tool designed measure effectiveness wheeled seating (WMS) interventions PWD. This study examined the test-retest reliability FMA, stability self-reported performance items.A...

10.3109/17483107.2012.688240 article EN Disability and Rehabilitation Assistive Technology 2012-05-22

Caregivers usually are not involved while planning the stroke survivor's medical and rehabilitation goals interventions. This review aimed to identify needs of survivors as perceived by their caregivers. A literature search from 2003 2014 was conducted using Medline, CINAHL, PsychINFO, Google Scholar. Sixty-six studies were included. Most excluded did encompass caregivers' perspectives. Four reviewers screened titles, abstracts, full texts articles for inclusion. The data extracted these...

10.1097/phm.0000000000000717 article EN American Journal of Physical Medicine & Rehabilitation 2017-02-16

Non-Hispanic Black (hereafter Black) patients with traumatic brain injury (TBI) experience worse long-term outcomes and residual disability compared non-Hispanic White White) patients. Receipt of appropriate rehabilitation can improve function among older adults after TBI.

10.1001/jamasurg.2022.7081 article EN JAMA Surgery 2023-01-25

ABSTRACT Background Higher physical activity (PA) is associated with better neuropsychiatric health, but prior studies have been limited by cross‐sectional designs, self‐reported PA measures, and small numbers of older individuals. We examined associations between baseline changes in accelerometer‐measured moderate‐vigorous (MVPA) health among individuals aged ≥ 70 years the National Health Aging Trends Study. Methods used average daily minutes MVPA above a validated threshold 2184 counts...

10.1111/jgs.19383 article EN cc-by-nc Journal of the American Geriatrics Society 2025-02-05

Objectives To examine the association between life‐space mobility and cognitive decline over a five‐year period among older Mexican Americans. Design Longitudinal study. Setting Hispanic Established Population for Epidemiologic Study of Elderly survey conducted in southwestern United States (Texas, Colorado, Arizona, New Mexico, California). Participants Four hundred thirty‐two Americans aged 75 with normal or high function at baseline. Measurements Socio‐demographic factors, living...

10.1111/jgs.14829 article EN Journal of the American Geriatrics Society 2017-03-09

Objective: This article examines differences in nursing home use and quality among Medicare beneficiaries, both Advantage fee-for-service, newly admitted to homes with Alzheimer’s disease related dementias (ADRD). Method: Retrospective, national, population-based study of residents ADRD by race ethnic group. Our analytic sample included 1,302,099 residents—268,181 a diagnosis ADRD—in 13,532 from 2014. Results: We found that larger share Hispanic are have compared African American White...

10.1177/0898264318767778 article EN Journal of Aging and Health 2018-05-02

Information regarding the association of comorbidity indices with readmission risk for older adults receiving postacute care is limited. The purpose this study was to compare discriminatory ability five in predicting 30-day all-cause hospital following discharge community from inpatient rehabilitation facilities (IRF). sample included Medicare fee-for-service beneficiaries stroke, lower extremity joint replacement, and fracture, discharged IRF 2011 (N = 75,582). Logistic regression models...

10.1093/gerona/glw148 article EN The Journals of Gerontology Series A 2016-08-04

Little is known about variation in use of rehabilitation services provided acute care hospitals for people who have had a stroke. The objective was to examine patient and hospital sources This retrospective, cohort design. sample consisted Medicare fee-for-service beneficiaries with ischemic stroke admitted 2010. claims data were linked the Provider Services file gather information on characteristics American Community Survey sociodemographic data. Chi-square tests compared stratified by any...

10.1093/ptj/pzz014 article EN Physical Therapy 2019-01-30

<h3>Importance</h3> Medicare Advantage (MA) enrollment is increasing, with one-third of beneficiaries currently selecting MA. Despite this growth, it difficult to assess the quality health care professionals and organizations that serve MA or compare them serving traditional (TM) beneficiaries. Elderly individuals served by home agencies (HHAs) may be particularly susceptible negative outcomes associated low-quality care. <h3>Objective</h3> To HHAs TM <h3>Design, Setting, Participants</h3>...

10.1001/jamanetworkopen.2019.10622 article EN cc-by-nc-nd JAMA Network Open 2019-09-04

Mexico is among the countries in Latin America hit hardest by coronavirus disease 2019 (COVID-19). A large proportion of older adults have high prevalence multimorbidity and live poverty with limited access to health care services. These statistics are even higher living rural areas, which suggest that communities may be more susceptible COVID-19. The objectives article were compare clinical demographic characteristics for people diagnosed COVID-19 age group, describe cases mortality urban...

10.1093/geronb/gbaa227 article EN other-oa The Journals of Gerontology Series B 2020-12-22

<h3>Importance</h3> Population-based mortality rates are important indicators of overall health status. Mortality may reflect underlying disparities in access to care, quality racial and geographical variations, other socioeconomic factors associated with health. However, there is limited information on historical trends between older Black White adults living urban compared rural communities. <h3>Objective</h3> To examine among residents by comparing sex-specific age-adjusted all-cause both...

10.1001/jamanetworkopen.2020.12241 article EN cc-by-nc-nd JAMA Network Open 2020-08-03

Background: Medicare's Hospital Readmissions Reduction Program reports risk-standardized readmission rates for traditional Medicare but not Advantage beneficiaries. Objective: To compare between and Medicare. Design: Retrospective cohort study linking the Provider Analysis Review (MedPAR) file with Healthcare Effectiveness Data Information Set (HEDIS). Setting: 4748 U.S. acute care hospitals. Patients: Patients aged 65 years or older hospitalized myocardial infarction (AMI) (n = 841 613),...

10.7326/m18-1795 article EN Annals of Internal Medicine 2019-06-25

Black and Hispanic US residents are disproportionately affected by stroke incidence, patients with dual eligibility for Medicare Medicaid may be predisposed to more severe strokes. Little is known about differences in severity individuals eligibility, individuals, but understanding hospital admission the first important step focusing strategies reduce disparities care outcomes.

10.1001/jamanetworkopen.2022.4596 article EN cc-by-nc-nd JAMA Network Open 2022-03-31

To examine the association between routine physical activity and risk of 3-year mortality in Mexican Americans aged 75 older.Longitudinal study involving a population-based survey.Hispanic Established Population for Epidemiologic Study Elderly (H-EPESE) survey conducted southwestern United States (TX, CO, AZ, NM, CA).Mexican-American men women older (N = 948) participating H-EPESE.Responses to Physical Activity Scale (PASE) were assessed 2005-06. Mortality was determined according report...

10.1111/j.1532-5415.2012.03995.x article EN Journal of the American Geriatrics Society 2012-05-30

Medicare data from acute hospitals do not contain information on functional status. This lack of limits the ability to conduct rehabilitation-related health services research.

10.2522/ptj.20150039 article EN Physical Therapy 2015-11-13

Objective. To examine the effect of obesity on incidence disability and mortality among non-disabled older Mexicans at baseline. Materials methods. The sample included 8 415 aged ≥ 50 years from Mexican Health Aging Study (2001-2012), who reported no limitations in activities daily living (ADLs) baseline have complete data all covariates. Sociodemographics, smoking status, comorbidities, ADL activities, body mass index (BMI) were collected. Results. lowest hazard ratio (HR) for was BMI 25 to...

10.21149/spm.v57s1.7587 article EN cc-by-nc-sa Salud Pública de México 2015-01-08

Objective To compare the performances of 3 comorbidity indices, Charlson Comorbidity Index, Elixhauser and Centers for Medicare &amp; Medicaid Services ( CMS ) risk adjustment model, Hierarchical Condition Category HCC ), in predicting post‐acute discharge settings hospital readmission patients after joint replacement. Methods A retrospective study beneficiaries with total knee replacement TKR or hip THR discharged from hospitals 2009–2011 (n = 607,349) was performed. Study outcomes were...

10.1002/acr.23195 article EN Arthritis Care & Research 2017-01-24

Lesion analyses are critical for drawing insights about stroke injury and recovery, their importance is underscored by growing efforts to collect combine neuroimaging data across research sites. However, while there numerous processing pipelines in general, few can be smoothly applied due complications analyzing the lesioned region. As researchers often use own tools or manual methods MRI analysis, this could lead greater errors difficulty replicating findings over time Rigorous analysis...

10.3389/fninf.2018.00063 article EN cc-by Frontiers in Neuroinformatics 2018-09-24
Coming Soon ...