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OpenAlex Citation Counts

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OpenAlex is a bibliographic catalogue of scientific papers, authors and institutions accessible in open access mode, named after the Library of Alexandria. It's citation coverage is excellent and I hope you will find utility in this listing of citing articles!

If you click the article title, you'll navigate to the article, as listed in CrossRef. If you click the Open Access links, you'll navigate to the "best Open Access location". Clicking the citation count will open this listing for that article. Lastly at the bottom of the page, you'll find basic pagination options.

Requested Article:

Frailty as a predictor of mortality among patients with COVID-19: a systematic review and meta-analysis
Xiaoming Zhang, Jing Jiao, Jing Cao, et al.
BMC Geriatrics (2021) Vol. 21, Iss. 1
Open Access | Times Cited: 107

Showing 1-25 of 107 citing articles:

Anti-SARS-CoV-2 Receptor-Binding Domain Total Antibodies Response in Seropositive and Seronegative Healthcare Workers Undergoing COVID-19 mRNA BNT162b2 Vaccination
Gian Luca Salvagno, Brandon Michael Henry, Giovanni Di Piazza, et al.
Diagnostics (2021) Vol. 11, Iss. 5, pp. 832-832
Open Access | Times Cited: 90
Frailty and risks of all-cause and cause-specific death in community-dwelling adults: a systematic review and meta-analysis
Yang Peng, Guo‐Chao Zhong, Xiaoli Zhou, et al.
BMC Geriatrics (2022) Vol. 22, Iss. 1
Open Access | Times Cited: 62
Clinical Frailty Scale (CFS) indicated frailty is associated with increased in-hospital and 30-day mortality in COVID-19 patients: a systematic review and meta-analysis
Máté Rottler, Klementina Ocskay, Zoltán Sipos, et al.
Annals of Intensive Care (2022) Vol. 12, Iss. 1
Open Access | Times Cited: 42
COVID-19 prevalence and mortality in longer-term care facilities
Andrew Levin, Juulia Jylhävä, Dorota Religa, et al.
European Journal of Epidemiology (2022) Vol. 37, Iss. 3, pp. 227-234
Open Access | Times Cited: 38
The Clinical Frailty Scale for mortality prediction of old acutely admitted intensive care patients: a meta-analysis of individual patient-level data
Raphael Romano Bruno, Bernhard Wernly, Sean M. Bagshaw, et al.
Annals of Intensive Care (2023) Vol. 13, Iss. 1
Open Access | Times Cited: 32
Does frailty status predict outcome in major trauma in older people? A systematic review and meta-analysis
Abdullah Alqarni, John Gladman, Akanu A Obasi, et al.
Age and Ageing (2023) Vol. 52, Iss. 5
Open Access | Times Cited: 22
To Be Frail or Not to Be Frail: This Is the Question—A Critical Narrative Review of Frailty
Salvatore Sciacchitano, Valeria Carola, Giampaolo Nicolais, et al.
Journal of Clinical Medicine (2024) Vol. 13, Iss. 3, pp. 721-721
Open Access | Times Cited: 10
Clinical Frailty Scale
Kenneth Rockwood, Olga Theou
Springer eBooks (2024), pp. 121-123
Closed Access | Times Cited: 10
Frailty Assessment in the Emergency Department for Risk Stratification of COVID-19 Patients Aged ≥80 Years
Marcello Covino, Andrea Russo, Sara Salini, et al.
Journal of the American Medical Directors Association (2021) Vol. 22, Iss. 9, pp. 1845-1852.e1
Open Access | Times Cited: 41
Frailty and mortality associations in patients with COVID‐19: a systematic review and meta‐analysis
Ashwin Subramaniam, Kiran Shekar, Afroza Akhter, et al.
Internal Medicine Journal (2022) Vol. 52, Iss. 5, pp. 724-739
Open Access | Times Cited: 33
Characteristics and Outcomes of Patients With Frailty Admitted to ICU With Coronavirus Disease 2019: An Individual Patient Data Meta-Analysis
Ashwin Subramaniam, Chris Anstey, J. Randall Curtis, et al.
Critical Care Explorations (2022) Vol. 4, Iss. 1, pp. e0616-e0616
Open Access | Times Cited: 28
Routine laboratory parameters, including complete blood count, predict COVID-19 in-hospital mortality in geriatric patients
Fabiola Olivieri, Jacopo Sabbatinelli, Anna Rita Bonfigli, et al.
Mechanisms of Ageing and Development (2022) Vol. 204, pp. 111674-111674
Open Access | Times Cited: 27
Association of Longitudinal Trajectories of Physical Frailty With Dementia Status in Older Adults: A National Cohort Study
Fen Ye, Weijiao Zhou, Junlan Pu, et al.
International Journal of Geriatric Psychiatry (2025) Vol. 40, Iss. 2
Open Access
Associations between metabolomic scores and clinical outcomes in hospitalized COVID-19 patients
Jens A. Venema, Anna Kuranova, Daniele Bizzarri, et al.
GeroScience (2025)
Open Access
Clinical progression, disease severity, and mortality among adults hospitalized with COVID-19 caused by the Omicron and Delta SARS-CoV-2 variants: A population-based, matched cohort study

PLoS ONE (2023) Vol. 18, Iss. 4, pp. e0282806-e0282806
Open Access | Times Cited: 15
Geriatric risk factors for serious COVID-19 outcomes among older adults with cancer: a cohort study from the COVID-19 and Cancer Consortium
Arielle Elkrief, Cassandra Hennessy, Nicole M. Kuderer, et al.
The Lancet Healthy Longevity (2022) Vol. 3, Iss. 3, pp. e143-e152
Open Access | Times Cited: 19
Clinical frailty, and not features of acute infection, is associated with late mortality in COVID‐19: a retrospective cohort study
Nikolaos I. Vlachogiannis, Kenneth F. Baker, Georgios Georgiopoulos, et al.
Journal of Cachexia Sarcopenia and Muscle (2022) Vol. 13, Iss. 3, pp. 1502-1513
Open Access | Times Cited: 18
Nursing home crowding and its association with outbreak-associated respiratory infection in Ontario, Canada before the COVID-19 pandemic (2014–19): a retrospective cohort study
Pamela Leece, Michael Whelan, Andrew P. Costa, et al.
The Lancet Healthy Longevity (2023) Vol. 4, Iss. 3, pp. e107-e114
Open Access | Times Cited: 10
Nutrition and immunity: perspectives on key issues and next steps
C Dunbar, Harold M. Aukema, Philip C. Calder, et al.
Applied Physiology Nutrition and Metabolism (2023) Vol. 48, Iss. 7, pp. 484-497
Open Access | Times Cited: 10
Screening instruments to predict adverse outcomes for undifferentiated older adults attending the Emergency Department: Results of SOAED prospective cohort study
Aoife Leahy, Gillian Corey, Helen Purtill, et al.
Age and Ageing (2023) Vol. 52, Iss. 7
Open Access | Times Cited: 10
Mortality attributable to COVID-19 in nursing home residents: a retrospective study
Nicola Veronese, Ai Koyanagi, Vanni Stangherlin, et al.
Aging Clinical and Experimental Research (2021) Vol. 33, Iss. 6, pp. 1745-1751
Open Access | Times Cited: 25
Electrolyte imbalances as poor prognostic markers in COVID-19: a systemic review and meta-analysis
Harris J. J. M. D. Song, Alys Z. Q. Chia, Benjamin Kye Jyn Tan, et al.
Journal of Endocrinological Investigation (2022) Vol. 46, Iss. 2, pp. 235-259
Open Access | Times Cited: 17
Frailty in Elderly Patients with Covid-19: A Narrative Review
Sara Salini, Andrea Russo, Giuseppe De Matteis, et al.
Gerontology and Geriatric Medicine (2022) Vol. 8
Open Access | Times Cited: 16
The multidimensional prognostic index (MPI) for the prognostic stratification of older inpatients with COVID-19: A multicenter prospective observational cohort study
Alberto Pilotto, Margherita Azzini, Alberto Cella, et al.
Archives of Gerontology and Geriatrics (2021) Vol. 95, pp. 104415-104415
Open Access | Times Cited: 22
Informing patterns of health and social care utilisation in Irish older people according to the Clinical Frailty Scale
Aisling O’Halloran, Peter Hartley, David Moloney, et al.
HRB Open Research (2021) Vol. 4, pp. 54-54
Open Access | Times Cited: 20
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