Kelvin Tsoi

9.5k total citations · 2 hit papers
168 papers, 6.2k citations indexed

About

Kelvin Tsoi is a scholar working on Psychiatry and Mental health, Surgery and Oncology. According to data from OpenAlex, Kelvin Tsoi has authored 168 papers receiving a total of 6.2k indexed citations (citations by other indexed papers that have themselves been cited), including 35 papers in Psychiatry and Mental health, 29 papers in Surgery and 28 papers in Oncology. Recurrent topics in Kelvin Tsoi's work include Dementia and Cognitive Impairment Research (29 papers), Colorectal Cancer Screening and Detection (21 papers) and Gastric Cancer Management and Outcomes (18 papers). Kelvin Tsoi is often cited by papers focused on Dementia and Cognitive Impairment Research (29 papers), Colorectal Cancer Screening and Detection (21 papers) and Gastric Cancer Management and Outcomes (18 papers). Kelvin Tsoi collaborates with scholars based in Hong Kong, China and Singapore. Kelvin Tsoi's co-authors include Joseph J.�Y. Sung, Hoyee W. Hirai, Joyce Y.C. Chan, Samuel Yeung Shan Wong, Francis K.L. Chan, Timothy Kwok, Vincent Wai‐Sun Wong, Henry Lik‐Yuen Chan, Siew C. Ng and Felix C.H. Chan and has published in prestigious journals such as SHILAP Revista de lepidopterología, Gastroenterology and PLoS ONE.

In The Last Decade

Kelvin Tsoi

161 papers receiving 6.0k citations

Hit Papers

align trajectories sort by overperformance

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.

Cognitive Tests to Detect Dementia

2015 573 citations Kelvin Tsoi, Joyce Y.C. Chan et al. profile →
Computerized cognitive training for memory functions in mild cognitive impairment or dementia: a systematic review and meta-analysis

2024 47 citations Joyce Y.C. Chan, Kelvin Tsoi et al. npj Digital Medicine profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Kelvin Tsoi Hong Kong	44	1.6k	1.3k	1.2k	1.1k	998	168	6.2k
Byung‐Joo Park South Korea	45	1.8k 1.1×	597 0.5×	1.2k 1.0×	1.0k 1.0×	589 0.6×	317	7.5k
Todd A. MacKenzie United States	57	2.7k 1.7×	1.5k 1.2×	1.9k 1.5×	1.4k 1.3×	294 0.3×	353	11.5k
Wisit Cheungpasitporn United States	45	2.0k 1.2×	641 0.5×	1.7k 1.4×	1.6k 1.5×	289 0.3×	538	9.4k
Leslie Daly Ireland	43	2.6k 1.6×	443 0.3×	1.0k 0.8×	794 0.7×	376 0.4×	134	8.4k
Mahyar Etminan Canada	44	873 0.5×	538 0.4×	1.0k 0.8×	886 0.8×	91 0.1×	163	7.9k
Liping Zhang China	16	1.8k 1.1×	593 0.5×	2.4k 1.9×	2.5k 2.3×	189 0.2×	56	10.0k
Robert Temple United States	32	1.3k 0.8×	530 0.4×	584 0.5×	381 0.4×	1.4k 1.4×	78	6.9k
Dimitris Mavridis Greece	41	1.5k 1.0×	448 0.4×	911 0.7×	1.1k 1.0×	155 0.2×	174	9.4k
Johan Sundström Sweden	72	2.6k 1.6×	532 0.4×	1.2k 1.0×	2.3k 2.1×	414 0.4×	363	17.0k
Chung Mo Nam South Korea	46	1.8k 1.1×	854 0.7×	1.4k 1.1×	2.2k 2.1×	79 0.1×	360	9.0k

Countries citing papers authored by Kelvin Tsoi

Since Specialization

Citations

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

Fields of papers citing papers by Kelvin Tsoi

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kelvin Tsoi

This figure shows the co-authorship network connecting the top 25 collaborators of Kelvin Tsoi. A scholar is included among the top collaborators of Kelvin Tsoi 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 Kelvin Tsoi. Kelvin Tsoi is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Yiu, Karen, et al.. (2025). Long‐term use of low‐dose aspirin for cancer prevention: A 20‐year longitudinal cohort study of 1,506,525 Hong Kong residents. International Journal of Cancer. 156(12). 2330–2339. 3 indexed citations

Chan, Sandra Sau Man, Oscar W. H. Wong, Kelvin Tsoi, et al.. (2025). Twelve-month prevalence of DSM-5 mental disorders and the psychosocial correlates- a child and adolescent psychiatric epidemiologic survey in Hong Kong SAR. The Lancet Regional Health - Western Pacific. 57. 101533–101533. 2 indexed citations

Liu, Yajun, Junqiang Wang, George F. Muschler, et al.. (2025). BMJ Innovations roundtable: innovations that will have the biggest impact on orthopaedics over the next decade. BMJ Innovations. 11(2). 107–111. 1 indexed citations

Chan, Joyce Y.C., et al.. (2024). Computerized cognitive training for memory functions in mild cognitive impairment or dementia: a systematic review and meta-analysis. npj Digital Medicine. 7(1). 1–1. 47 indexed citations breakdown →

Tsoi, Kelvin, Amy Lam, Karen Yiu, et al.. (2023). The Western and Chinese exercise training for blood pressure reduction among hypertensive patients: An overview of systematic reviews. Journal of Clinical Hypertension. 26(12). 1327–1341. 7 indexed citations

Jia, Pingping, et al.. (2023). Use of probiotics, prebiotics, and synbiotics in non‐alcoholic fatty liver disease: A systematic review and meta‐analysis. Journal of Gastroenterology and Hepatology. 38(10). 1682–1694. 31 indexed citations

Li, Jinhui, et al.. (2022). Time series models show comparable projection performance with joinpoint regression: A comparison using historical cancer data from World Health Organization. Frontiers in Public Health. 10. 1003162–1003162. 4 indexed citations

Narita, Keisuke, Satoshi Hoshide, Kelvin Tsoi, et al.. (2021). Disaster hypertension and cardiovascular events in disaster and COVID‐19 pandemic. Journal of Clinical Hypertension. 23(3). 575–583. 15 indexed citations

Hoshide, Satoshi, Kazuomi Kario, Yook Chin Chia, et al.. (2021). Characteristics of hypertension in obstructive sleep apnea: An Asian experience. Journal of Clinical Hypertension. 23(3). 489–495. 21 indexed citations

10.

Chan, Joyce Y.C., et al.. (2021). Diagnostic performance of digital cognitive tests for the identification of MCI and dementia: A systematic review. Ageing Research Reviews. 72. 101506–101506. 53 indexed citations

11.

Chan, Joyce Y.C., et al.. (2021). Supporting Informal Caregivers of People With Dementia in Cost-Effective Ways: A Systematic Review and Meta-Analysis. Value in Health. 24(12). 1853–1862. 10 indexed citations

12.

Turana, Yuda, Jeslyn Tengkawan, Yook Chin Chia, et al.. (2020). Mental health problems and hypertension in the elderly: Review from the HOPE Asia Network. Journal of Clinical Hypertension. 23(3). 504–512. 37 indexed citations

13.

Chan, Joyce Y.C., Adrian Wong, Hazel Mok, et al.. (2020). Electronic Cognitive Screen Technology for Screening Older Adults With Dementia and Mild Cognitive Impairment in a Community Setting: Development and Validation Study. Journal of Medical Internet Research. 22(12). e17332–e17332. 22 indexed citations

14.

Tsoi, Kelvin, et al.. (2018). How can we better use Twitter to find a person who got lost due to dementia?. npj Digital Medicine. 1(1). 14–14. 9 indexed citations

15.

Chan, Joyce Y.C., Joey S.W. Kwong, Adrian Wong, Timothy Kwok, & Kelvin Tsoi. (2018). Comparison of Computerized and Paper-and-Pencil Memory Tests in Detection of Mild Cognitive Impairment and Dementia: A Systematic Review and Meta-analysis of Diagnostic Studies. Journal of the American Medical Directors Association. 19(9). 748–756.e5. 30 indexed citations

16.

Sung, Joseph J.�Y., Martin C. S. Wong, Thomas Y. Lam, et al.. (2017). A modified colorectal screening score for prediction of advanced neoplasia: A prospective study of 5744 subjects. Journal of Gastroenterology and Hepatology. 33(1). 187–194. 47 indexed citations

17.

Yu, Ruby, Moses Wong, Billy Chang, et al.. (2016). Trends in activities of daily living disability in a large sample of community-dwelling Chinese older adults in Hong Kong: an age-period-cohort analysis. BMJ Open. 6(12). e013259–e013259. 36 indexed citations

18.

Wong, Martin C. S., Thomas Y. Lam, Kelvin Tsoi, et al.. (2013). A validated tool to predict colorectal neoplasia and inform screening choice for asymptomatic subjects. Gut. 63(7). 1130–1136. 76 indexed citations

19.

Sung, Joseph J.�Y., Francis K.L. Chan, Melissa Chen, et al.. (2011). Asia-Pacific Working Group consensus on non-variceal upper gastrointestinal bleeding. Gut. 60(9). 1170–1177. 149 indexed citations

20.

Chan, Yawen, Jessica Ching, Carrian M. Cheung, et al.. (2009). Development and validation of a disease‐specific quality of life questionnaire for gastro‐oesophageal reflux disease: the GERD‐QOL questionnaire. Alimentary Pharmacology & Therapeutics. 31(3). 452–460. 33 indexed citations

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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