OOIR: Observatory of International Research

Papers

(The H4-Index of Geriatrics & Gerontology International is 26. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-04-01 to 2024-04-01.)

Article	Citations
The revised Japanese version of the Cardiovascular Health Study criteria (revised J‐CHS criteria)	165
Clinical characteristics and prognostic factors in COVID‐19 patients aged ≥80 years	107
COVID‐19 and older people in Asia: Asian Working Group for Sarcopenia calls to action	102
Oral health for achieving longevity	84
Oral hypofunction and its association with frailty in community‐dwelling older people	55
Chair‐stand exercise improves post‐stroke dysphagia	49
Prevalence of dementia and its impact on mortality in patients with coronavirus disease 2019: A systematic review and meta‐analysis	47
An update on cognitive frailty: Its definition, impact, associated factors and underlying mechanisms, and interventions	44
Clusters of COVID‐19 in long‐term care hospitals and facilities in Japan from 16 January to 9 May 2020	43
COVID‐19 in older adults: What are the differences with younger patients?	42
Cut‐offs for calf circumference as a screening tool for low muscle mass: WASEDA'S Health Study	41
Facilitating telehealth for older adults during the COVID‐19 pandemic and beyond: Strategies from a Singapore geriatric center	38
Association between frailty and changes in lifestyle and physical or psychological conditions among older adults affected by the coronavirus disease 2019 countermeasures in Japan	38
Biology of extracellular vesicles secreted from senescent cells as senescence‐associated secretory phenotype factors	37
Toward the development of a vibrant, super‐aged society: The future of medicine and society in Japan	37
What defines quality of care for older people in aged care? A comprehensive literature review	35
Brain‐derived neurotrophic factor is associated with sarcopenia and frailty in Japanese hemodialysis patients	33
Impact of dementia on clinical outcomes in elderly patients with coronavirus 2019 (COVID‐19): an experience in New York	33
Perceived declining physical and cognitive fitness during the COVID‐19 state of emergency among community‐dwelling Japanese old‐old adults	33
Family members' concerns about relatives in long‐term care facilities: Acceptance of visiting restriction policy amid the COVID‐19 pandemic	33
Internet use and self‐rated health among Chinese older adults: The mediating role of social capital	32
Effect of renin–angiotensin system on senescence	28
Telemedicine in nursing homes during the COVID‐19 outbreak: A star is born (again)	28
Geriatric management of older patients with multimorbidity	27
Cross‐national comparison of social isolation and mortality among older adults: A 10‐year follow‐up study in Japan and England	26

Questionnaire for medical checkup of old‐old (QMCOO)