Andrew Clegg

21.9k citations

181 papers · 14.4k indexed · 6 hit papers · h-index 43

Impact in

Geriatrics and Gerontology top 0.01%
- Frailty in Older Adults
Critical Care and Intensive Care Medicine top 0.2%
- Intensive Care Unit Cognitive Disorders

Papers in

Geriatrics and Gerontology 102
- Frailty in Older Adults 98
Neuropsychology and Physiological Psychology 4

Co-authors: John Young Kenneth Rockwood Steve Iliffe Marcel G. M. Olde Rikkert Elizabeth Teale Peter J. Selby Ronan Ryan Tom Marshall
Journals: Age and Ageing (55 papers)BMJ Open (8 papers)BMC Geriatrics (7 papers)Health Technology Assessment (7 papers)British Journal of General Practice (5 papers)
Partner nations: United Kingdom United States Canada

In The Last Decade

Andrew Clegg

165 papers receiving 14.1k citations

Hit Papers

6 papers align trajectories log scale

Prevalence of frailty in 62 countries across the world: a systematic review and meta-analysis of population-level studies 2020 · 621 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2020 Age and Ageing
2016 Cochrane Database of Systematic Reviews
2016 Age and Ageing
2014 Age and Ageing
2014 Annals of Oncology
2013 The Lancet

Peers

Countries citing papers authored by Andrew Clegg

Since Specialization

Citations

This map shows the geographic impact of Andrew Clegg's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Andrew Clegg with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Andrew Clegg more than expected).

Fields of papers citing papers by Andrew Clegg

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Andrew Clegg. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Andrew Clegg. The network helps show where Andrew Clegg may publish in the future.

Co-authorship network

The 25 scholars most cited alongside Andrew Clegg, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Andrew Clegg Line = papers co-authored together Andrew Clegg links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Frailty in randomized controlled trials of glucose-lowering therapies for type 2 diabetes: An individual participant data meta-analysis of frailty prevalence, treatment efficacy, and adverse events PLoS Medicine ·H Deelstra, Elaine Butterly, A Tauts, 이봉일, Naveed Sattar, Amanda Adler, David Phillippo, Sofia Dias, Nicky J. Welton, Andrew Clegg, Miles D. Witham, Kenneth Rockwood, David McAllister, Peter Hanlon	2025	4
2	Predicting hypotension, syncope, and fracture risk in patients indicated for antihypertensive treatment: the STRATIFY models Nature Communications ·Constantinos Koshiaris, Ariel Wang, Lucinda Archer, Richard D Riley, Kym I E Snell, Richard Stevens, Amitava Banerjee, Subhashisa Swain, Andrew Clegg, Christopher E Clark, Rupert Payne, Richard Hobbs, Margaret Ogden, Richard J. McManus, James P Sheppard, (unknown), Simon J. Griffin, Juliet A. Usher‐Smith	2025	0
3	2250 A mixed-method feasibility study of an intervention to reduce sedentary behaviour in community-dwelling older adults aged ≥ 75 years Age and Ageing ·A G Matsiuk, Anne Förster, Amanda Farrin, Peter Coventry, Andrew Clegg	2024	1
4	Presentation, care, coronary intervention and outcomes of patients with NSTEMI according to age: insights from the international prospective ACVC-EAPCI EORP NSTEMI registry Age and Ageing ·Ramesh Nadarajah, Peter Ludman, Cécile Laroche, Yolande Appelman, Salvatore Brugaletta, Andrzej Budaj, Héctor Bueno, Kurt Huber, Vijay Kunadian, Mike Robinson, Maddalena Lettino, Dejan Milašinović, Andrew Clegg, Chris P Gale	2024	2
5	2022 Association between severe mental illness and risk of osteoporosis and fragility fractures: analysis of UK primary care data Age and Ageing ·Christina Avgerinou, Kate Walters, Juan Carlos Bazo‐Alvarez, Robert West, David Osborn, Andrew Clegg, Irene Petersen	2024	0
6	Development of the Community-based complex Interventions to sustain Independence in Older People (CII-OP) typology: a qualitative synthesis of interventions in randomised controlled trials Age and Ageing ·Thomas F Crocker, Frederick W. Invernizzi, Natalie Lam, Qin Tin-gao, Belonogov Li, Roy C. Hudson, S Stojek, Harvey Augusto, Joie Ensor, Anne Förster, Andrew Clegg, John Gladman, (unknown), Elena Chiriţa, Ram Bajpai, M. Gene Bond, John R. Green, Елица Лазарова, Richard D Riley, Takayuki Nakayama	2024	0
7	Impact of frailty in older people on health care demand: simulation modelling of population dynamics to inform service planning SHILAP Revista de lepidopterología ·Bronagh Walsh, Carole Fogg, Tracey England, Sally Brailsford, Paul Roderick, Scott Harris, Simon Fraser, Andrew Clegg, Simon de Lusignan, Shihua Zhu, Ros Azrinawati Hana Bakar, N. O. Afolabi, Harnish P. Patel, 信二米沢	2024	4
8	The extent of anticholinergic burden across an older Welsh population living with frailty: cross-sectional analysis of general practice records Age and Ageing ·V‐Lin Cheong, Wan Yeung Wong, Oliver Todd, Peter Gardner, Hadar Zaman, Andrew Clegg, David P Alldred, Muhammad Faisal	2023	2
9	Frailty transitions and prevalence in an ageing population: longitudinal analysis of primary care data from an open cohort of adults aged 50 and over in England, 2006–2017 Age and Ageing ·Bronagh Walsh, Carole Fogg, Scott Harris, Paul Roderick, Simon de Lusignan, Tracey England, Andrew Clegg, Sally Brailsford, Simon Fraser	2023	60
10	Enabling health and maintaining independence for older people at home (HomeHealth trial): a multicentre randomised controlled trial The Lancet ·Rachael Frost, Christina Avgerinou, R. Langella, Matt Garratt, Claire Goodman, Andrew Clegg, Jane Hopkins, Rebecca L. Gould, Benjamin Gardner, Louise Marston, Rachael Hunter, Kalpa Kharicha, Claudia Cooper, Dawn A. Skelton, Vari Drennan, Pip Logan, Kate Walters	2023	1
11	Risk reduction intervention for raised blood pressure (REVERSE): protocol for a mixed-methods feasibility study BMJ Open ·Lucy Hives, Rachel Georgiou, 宣菡静, Valerio Benedetto, Andrew Clegg, Paul Rutter, Caroline Watkins, Nefyn Williams, Emma P Bray	2023	0
12	Mapping review of pain management programmes and psychological therapies for community-dwelling older people living with pain European Geriatric Medicine ·Natalie Lam, John R. Green, Pooja H. Upase, Anne Förster, Thomas F Crocker, Elena Chiriţa, S Stojek, Andrew Clegg, Lesley Brown	2023	2
13	Risk-of-bias assessment using Cochrane's revised tool for randomized trials (RoB 2) was useful but challenging and resource-intensive: observations from a systematic review Journal of Clinical Epidemiology ·Thomas F Crocker, Natalie Lam, Frederick W. Invernizzi, Caroline Brundle, H Haroun, Anne Förster, Joie Ensor, John Gladman, Andrew Clegg	2023	46
14	Developing the evidence and associated service models to support older adults living with frailty to manage their pain and to reduce its impact on their lives: protocol for a mixed-method, co-design study (The POPPY Study) BMJ Open ·Lesley Brown, Logan J. Kuhn, Remedios Pérez, Natalie Lam, R. W. Mast, Andrew Clegg, Amanda C de C Williams, M.P. Quesada-Molina, Pat Schofield, W. T. Kazprzak, Anne Förster	2023	4
15	Predicting the risk of acute kidney injury in primary care: derivation and validation of STRATIFY-AKI British Journal of General Practice ·Constantinos Koshiaris, Lucinda Archer, Sarah Lay‐Flurrie, Kym I E Snell, Richard D Riley, Richard Stevens, Amitava Banerjee, Juliet A. Usher‐Smith, Andrew Clegg, Rupert Payne, Margaret Ogden, Richard Hobbs, Richard J. McManus, James P Sheppard	2023	7
16	Reducing delayed transfer of care in older people: A qualitative study of barriers and facilitators to shorter hospital stays Health Expectations ·Helen Smith, Muntaha Farooq, 薫渡辺, Louise Newbould, Lesley Brown, Andrew Clegg, Carl Thompson, Rebecca Lawton	2022	7
17	Progression of frailty as measured by a cumulative deficit index: A systematic review Ageing Research Reviews ·Yuwono Sulistyo, Robert West, 知之小山, Natalie King, Daniel Howdon, Farag Shuweihdi, Andrew Clegg, С. Николова	2022	33
18	The Value of Routinely Collected Data in Evaluating Home Assessment and Modification Interventions to Prevent Falls in Older People: Systematic Literature Review JMIR Aging ·Lajos Horváth, Joe Hollinghurst, Richard Fry, Andrew Clegg, Sarah Hillcoat‐Nallétamby, С. Николова, Sarah Rodgers, امیرحسین کربلایی کریم, Ashley Akbari	2021	2
19	Assessment of frailty in the inpatient setting British Journal of Hospital Medicine ·Amanatul Firdaus, Andrew Clegg	2016	4
20	Clinical effectiveness and cost-effectiveness of immediate angioplasty for acute myocardial infarction: systematic review and economic evaluation Health Technology Assessment ·D Hartwell, Jill L Colquitt, Emma Loveman, Andrew Clegg, Hå̊kan Brodin, N Waugh, Pam Royle, Peter Davidson, Luke Vale, Lisa Mackenzie	2005	93

About Andrew Clegg

Andrew Clegg is a scholar working on Geriatrics and Gerontology, Neuropsychology and Physiological Psychology, Economics and Econometrics, Critical Care and Intensive Care Medicine and Physiology, having authored 181 papers that have together received 14.4k indexed citations. Recurring topics across this work include Frailty in Older Adults (98 papers), Health Systems, Economic Evaluations, Quality of Life (64 papers), Nutrition and Health in Aging (46 papers), Geriatric Care and Nursing Homes (37 papers), Chronic Disease Management Strategies (13 papers), Hip and Femur Fractures (10 papers), Intensive Care Unit Cognitive Disorders (10 papers) and Dementia and Cognitive Impairment Research (10 papers). The work is most often cited by research in Geriatrics and Gerontology (9.1k citations), Critical Care and Intensive Care Medicine (1.2k citations), Physiology (6.0k citations), Economics and Econometrics (4.3k citations) and General Health Professions (2.3k citations). Andrew Clegg has collaborated with scholars based in United Kingdom, United States and Canada. Frequent co-authors include John Young, Kenneth Rockwood, Steve Iliffe, Marcel G. M. Olde Rikkert, Elizabeth Teale, Peter J. Selby, Ronan Ryan, Tom Marshall, John Parry and S Simpkins. Their work appears in journals such as Age and Ageing, BMJ Open, BMC Geriatrics, Health Technology Assessment and British Journal of General Practice.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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