Olga Theou

15.1k total citations · 6 hit papers
190 papers, 8.2k citations indexed

About

Olga Theou is a scholar working on Geriatrics and Gerontology, Physiology and Economics and Econometrics. According to data from OpenAlex, Olga Theou has authored 190 papers receiving a total of 8.2k indexed citations (citations by other indexed papers that have themselves been cited), including 149 papers in Geriatrics and Gerontology, 133 papers in Physiology and 69 papers in Economics and Econometrics. Recurrent topics in Olga Theou's work include Frailty in Older Adults (149 papers), Nutrition and Health in Aging (120 papers) and Health Systems, Economic Evaluations, Quality of Life (69 papers). Olga Theou is often cited by papers focused on Frailty in Older Adults (149 papers), Nutrition and Health in Aging (120 papers) and Health Systems, Economic Evaluations, Quality of Life (69 papers). Olga Theou collaborates with scholars based in Canada, United States and Australia. Olga Theou's co-authors include Kenneth Rockwood, Joanna M. Blodgett, Thomas D. Brothers, Arnold Mitnitski, Lindsay Wallace, Susan Kirkland, Judith Godin, Melissa K. Andrew, Jennifer M. Jakobi and Gareth R. Jones and has published in prestigious journals such as Circulation, SHILAP Revista de lepidopterología and PLoS ONE.

In The Last Decade

Olga Theou

172 papers receiving 8.1k citations

Hit Papers

5 papers align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

The Effectiveness of Exercise Interventions for the Management of Frailty: A Systematic Review

2011 487 citations Olga Theou et al. SHILAP Revista de lepidopterología profile →
Operationalization of Frailty Using Eight Commonly Used Scales and Comparison of Their Ability to Predict All‐Cause Mortality

2013 486 citations Olga Theou, Kenneth Rockwood et al. Journal of the American Geriatrics Society profile →
A scoping review of the Clinical Frailty Scale

2020 471 citations Kenneth Rockwood, Olga Theou et al. BMC Geriatrics profile →
Using the Clinical Frailty Scale in Allocating Scarce Health Care Resources

2020 460 citations Kenneth Rockwood, Olga Theou profile →
Relationship of body mass index with frailty and all-cause mortality among middle-aged and older adults

2022 116 citations Kulapong Jayanama, Olga Theou et al. BMC Medicine profile →
Social vulnerability indices: a scoping review

2023 96 citations Olga Theou, Melissa K. Andrew et al. profile →

Peers

Countries citing papers authored by Olga Theou

Since Specialization

Citations

This map shows the geographic impact of Olga Theou'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 Olga Theou with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Olga Theou more than expected).

Fields of papers citing papers by Olga Theou

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Olga Theou. 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 Olga Theou. The network helps show where Olga Theou may publish in the future.

Co-authorship network of co-authors of Olga Theou

This figure shows the co-authorship network connecting the top 25 collaborators of Olga Theou. A scholar is included among the top collaborators of Olga Theou based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Olga Theou. Olga Theou is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Quality of Non‐Surgical and Non‐Pharmacological Knee Osteoarthritis Care in the Maritimes 2025 ·Musculoskeletal Care ·(unknown), Cheryl L. Hubley‐Kozey, Linda Li, Olga Theou, William D. Stanish, R. Moyer	1
2	Are the Recommended Levels of Moderate-to-Vigorous Aerobic Activity and Resistance Training Inversely Associated with Frailty and Mortality? 2025 ·Journal of the American Medical Directors Association ·(unknown), (unknown), Myles W. O’Brien, Judith Godin, D. Scott Kehler, Derek S. Kimmerly, Olga Theou	0
3	The Healthy Ageing/Vulnerable Environment (HAVEN) Index: Measuring neighbourhood age‐friendliness 2024 ·Geographical Research ·(unknown), Olga Theou, Helen Barrie, (unknown), Suzanne Edwards, David Wilson, Renuka Visvanathan	0
4	Cardiac rehabilitation and frailty: a systematic review and meta-analysis 2024 ·European Journal of Preventive Cardiology ·(unknown), (unknown), Nicholas Giacomantonio, Olga Theou, (unknown), (unknown), (unknown), D. Scott Kehler	8
5	Walk with a Future Doc program allows Canadian medical students to promote physical activity and health education in local communities 2024 ·SHILAP Revista de lepidopterología ·(unknown), Olga Theou, Myles W. O’Brien	1
6	Older adults, clinicians, and researchers’ preferences for measuring adherence to resistance and balance exercises 2023 ·BMC Geriatrics ·Caitlin McArthur, (unknown), David M. Gonzalez, Nanna Notthoff, Olga Theou, D. Scott Kehler, (unknown)	1
7	Reliability of the Frailty Index Among Community-Dwelling Older Adults 2023 ·The Journals of Gerontology Series A ·Erwin Stolz, Hannes Mayerl, Judith Godin, Emiel O. Hoogendijk, Olga Theou, Wolfgang Freidl, Kenneth Rockwood	11
8	Prospective study of breakfast frequency and timing and the risk of incident type 2 diabetes in community-dwelling older adults: the Cardiovascular Health Study 2022 ·American Journal of Clinical Nutrition ·(unknown), Rania A. Mekary, Susan Kirkland, Olga Theou, Ferhan Siddiqi, Robin Urquhart, (unknown), Chris M. Blanchard, Mary L. Biggs, Luc Djoussé, Kenneth J. Mukamal, Leah E. Cahill	9
9	The Pictorial Fit-Frail Scale—Malay version (PFFS-M): reliability and validity testing in Malaysian primary care 2022 ·Family Practice ·(unknown), Sazlina Shariff Ghazali, Olga Theou, (unknown), (unknown), (unknown), Mark Q Thompson, Renuka Visvanathan	4
10	Effect of a physical activity intervention and frailty on frailty trajectory and major mobility disability 2022 ·Journal of the American Geriatrics Society ·(unknown), Olga Theou, Mario Ulises Pérez‐Zepeda, Judith Godin, Kenneth Rockwood, D. Scott Kehler	16
11	Relationship of body mass index with frailty and all-cause mortality among middle-aged and older adults breakdown → 2022 ·BMC Medicine ·Kulapong Jayanama, Olga Theou, Judith Godin, (unknown), Leah E. Cahill, Kenneth Rockwood	116
12	The impact of cardiovascular health and frailty on mortality for males and females across the life course 2022 ·BMC Medicine ·(unknown), Olga Theou, Judith Godin, Kenneth Rockwood, D. Scott Kehler	13
13	Frailty and sarcopenia in combination are more predictive of mortality than either condition alone 2020 ·Maturitas ·Mark Q Thompson, Solomon Yu, Graeme Tucker, Robert Adams, Matteo Cesari, Olga Theou, Renuka Visvanathan	29
14	Exploring Clinically Meaningful Changes for the Frailty Index in a Longitudinal Cohort of Hospitalized Older Patients 2020 ·The Journals of Gerontology Series A ·Olga Theou, Alexandra M van der Valk, Judith Godin, Melissa K. Andrew, Janet E. McElhaney, Shelly McNeil, Kenneth Rockwood	41
15	Associations between a laboratory frailty index and adverse health outcomes across age and sex 2019 ·Aging Medicine ·Joanna M. Blodgett, Olga Theou, Arnold Mitnitski, Susan E. Howlett, Kenneth Rockwood	30
16	Association of fatty acid consumption with frailty and mortality among middle-aged and older adults 2019 ·Nutrition ·Kulapong Jayanama, Olga Theou, Judith Godin, Leah E. Cahill, Kenneth Rockwood	32
17	Effects of Probiotics and Prebiotics on Frailty and Ageing: A Narrative Review 2019 ·Current Clinical Pharmacology ·Kulapong Jayanama, Olga Theou	30
18	Recurrent Measurement of Frailty Is Important for Mortality Prediction: Findings from the North West Adelaide Health Study 2019 ·Journal of the American Geriatrics Society ·Mark Q Thompson, Olga Theou, Graeme Tucker, Robert Adams, Renuka Visvanathan	39
19	Moving Frailty Toward Clinical Practice: NIA Intramural Frailty Science Symposium Summary 2019 ·Journal of the American Geriatrics Society ·Jeremy Walston, Karen Bandeen‐Roche, Brian Buta, Howard Bergman, Thomas M. Gill, John E. Morley, Linda P. Fried, Thomas N. Robinson, Jonathan Afilalo, Anne B. Newman, Carlos López-Otı́n, Rafael de Cabo, Olga Theou, Stephanie A. Studenski, Harvey Jay Cohen, Luigi Ferrucci	132
20	Construct validation of a Frailty Index, an HIV Index and a Protective Index from a clinical HIV database 2018 ·PLoS ONE ·(unknown), Olga Theou, Lindsay Wallace, Andrea Malagoli, Cristina Mussini, Kenneth Rockwood, Giovanni Guaraldi	10

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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