Kenshi Hayashida

1.1k total citations · 1 hit paper
65 papers, 742 citations indexed

About

Kenshi Hayashida is a scholar working on General Health Professions, Emergency Medicine and Surgery. According to data from OpenAlex, Kenshi Hayashida has authored 65 papers receiving a total of 742 indexed citations (citations by other indexed papers that have themselves been cited), including 21 papers in General Health Professions, 13 papers in Emergency Medicine and 11 papers in Surgery. Recurrent topics in Kenshi Hayashida's work include Emergency and Acute Care Studies (10 papers), Healthcare Policy and Management (9 papers) and Health Systems, Economic Evaluations, Quality of Life (7 papers). Kenshi Hayashida is often cited by papers focused on Emergency and Acute Care Studies (10 papers), Healthcare Policy and Management (9 papers) and Health Systems, Economic Evaluations, Quality of Life (7 papers). Kenshi Hayashida collaborates with scholars based in Japan, United States and Malaysia. Kenshi Hayashida's co-authors include Shinya Matsuda, Yuichi Imanaka, Kiyohide Fushimi, Genki Murakami, Haruhisa Fukuda, Kazuaki Kuwabara, Kenji Fujimori, Hiromasa Horiguchi, Masahiro Hirose and Miho Sekimoto and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Medical Care.

In The Last Decade

Kenshi Hayashida

62 papers receiving 718 citations

Hit Papers

History and Profile of Di... 2020 2026 2022 2024 2020 50 100 150
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.

  1. History and Profile of Diagnosis Procedure Combination (DPC): Development of a Real Data Collection System for Acute Inpatient Care in Japan
    2020 196 citations Kenshi Hayashida, Genki Murakami et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Kenshi Hayashida Japan 15 156 150 141 114 102 65 742
Susumu Kunisawa Japan 17 192 1.2× 113 0.8× 147 1.0× 75 0.7× 109 1.1× 100 821
John Matelski Canada 19 194 1.2× 267 1.8× 159 1.1× 121 1.1× 92 0.9× 84 1.0k
Jill Miyamura United States 16 144 0.9× 181 1.2× 177 1.3× 96 0.8× 77 0.8× 41 812
Janet Shapiro United States 17 304 1.9× 185 1.2× 128 0.9× 81 0.7× 110 1.1× 60 998
Haruhisa Fukuda Japan 16 238 1.5× 152 1.0× 154 1.1× 81 0.7× 109 1.1× 126 965
Stephanie Parks Taylor United States 15 238 1.5× 68 0.5× 169 1.2× 119 1.0× 79 0.8× 63 751
Christopher Chong Canada 14 413 2.6× 176 1.2× 136 1.0× 100 0.9× 171 1.7× 22 975
Jesús Canora Spain 21 184 1.2× 165 1.1× 151 1.1× 77 0.7× 69 0.7× 87 1.2k
Anteo Di Napoli Italy 19 272 1.7× 120 0.8× 174 1.2× 114 1.0× 50 0.5× 115 1.1k
Hhs Centers for Medicare and Medicaid Services 14 203 1.3× 212 1.4× 267 1.9× 54 0.5× 176 1.7× 20 814

Countries citing papers authored by Kenshi Hayashida

Since Specialization
Citations

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

Fields of papers citing papers by Kenshi Hayashida

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kenshi Hayashida

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

All Works

20 of 20 papers shown
1.
Moriwaki, Mutsuko, et al.. (2025). Impact of Nurse Staffing Levels on Patient Fall Rates: A Retrospective Cross-Sectional Study in General Wards in Japan. Healthcare. 13(1). 88–88. 1 indexed citations
2.
Liu, Ning, Akira Babazono, Kenshi Hayashida, et al.. (2025). Cost-effectiveness analysis of tube feeding among older adults with advanced dementia in Japan: A net benefit regression approach. Archives of Gerontology and Geriatrics. 133. 105812–105812.
3.
4.
Moriwaki, Mutsuko, et al.. (2023). Citation Network Analysis of Nurse Staffing Research from the Past Two Decades: 2000–2022. Healthcare. 11(23). 3050–3050. 1 indexed citations
5.
6.
Hayashida, Kenshi, et al.. (2020). Incident reports involving hospital administrative staff: analysis of data from the Japan Council for Quality Health care nationwide database. BMC Health Services Research. 20(1). 1054–1054. 8 indexed citations
7.
8.
Kubo, Tatsuhiko, et al.. (2013). International comparison of the definition of night work - Promoting health care of shift workers. Journal of UOEH. 35(Special_Issue). 163–168. 5 indexed citations
9.
Imanaka, Yuichi, Kenshi Hayashida, Genki Murakami, & Shinya Matsuda. (2010). Physician staffing and patient outcome in Japanese ICUs. 17(2). 227–232. 3 indexed citations
10.
Kuwabara, Kazuaki, Shinya Matsuda, Yuichi Imanaka, et al.. (2010). Injury Severity Score, Resource Use, and Outcome for Trauma Patients Within a Japanese Administrative Database. The Journal of Trauma: Injury, Infection, and Critical Care. 68(2). 463–470. 38 indexed citations
11.
Umegaki, Takeshi, Miho Sekimoto, Kenshi Hayashida, & Yuichi Imanaka. (2010). An outcome prediction model for adult intensive care. Critical Care and Resuscitation. 12(2). 96–103. 13 indexed citations
12.
Kuwabara, Kazuaki, Shinya Matsuda, Kiyohide Fushimi, et al.. (2010). Contribution of bile duct drainage on resource use and clinical outcome of open or laparoscopic cholecystectomy in Japan. Journal of Evaluation in Clinical Practice. 16(1). 31–38. 3 indexed citations
13.
Otsubo, Tetsuya, Yuichi Imanaka, Jason Lee, & Kenshi Hayashida. (2010). Evaluation of resource allocation and supply-demand balance in clinical practice with high-cost technologies. Journal of Evaluation in Clinical Practice. 17(6). 1114–1121. 5 indexed citations
14.
Hayashida, Kenshi, Yuichi Imanaka, Tetsuya Otsubo, et al.. (2009). Development and analysis of a nationwide cost database of acute‐care hospitals in Japan. Journal of Evaluation in Clinical Practice. 15(4). 626–633. 22 indexed citations
15.
Kuwabara, Kazuaki, Yuichi Imanaka, Shinya Matsuda, et al.. (2008). The association of the number of comorbidities and complications with length of stay, hospital mortality and LOS high outlier, based on administrative data. Environmental Health and Preventive Medicine. 13(3). 130–137. 25 indexed citations
16.
Fukuda, Haruhisa, Yuichi Imanaka, Masayuki Hirose, & Kenshi Hayashida. (2008). PHP77 EVALUATION OF THE IMPACT OF PATIENT SAFETY ACTIVITIES ON THE NUMBER OF VOLUNTARY INCIDENT REPORTS AT TEACHING HOSPITALS IN JAPAN. Value in Health. 11(3). A52–A52. 1 indexed citations
17.
Sekimoto, Miho, et al.. (2008). Management patterns and healthcare costs for hospitalized patients with cerebral infarction. Health Policy. 88(1). 100–109. 8 indexed citations
18.
Imanaka, Yuichi, et al.. (2007). Meta-analysis comparing clinical effectiveness of drug-eluting stents, bare metal stents and coronary artery bypass surgery. International Journal of Evidence-Based Healthcare. 5(3). 296–304. 2 indexed citations
19.
Ishizaki, Tatsuro, et al.. (2004). Association of hospital resource use with comorbidity status and patient age among hip fracture patients in Japan. Health Policy. 69(2). 179–187. 19 indexed citations
20.
Ishizaki, Tatsuro, et al.. (2004). Estimation of the impact of providing outpatients with information about SARS infection control on their intention of outpatient visit. Health Policy. 69(3). 293–303. 5 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Susumu Kunisawa Breakdown of academic impact, for papers by John Matelski Breakdown of academic impact, for papers by Jill Miyamura Breakdown of academic impact, for papers by Janet Shapiro Breakdown of academic impact, for papers by Haruhisa Fukuda Breakdown of academic impact, for papers by Stephanie Parks Taylor Breakdown of academic impact, for papers by Christopher Chong Breakdown of academic impact, for papers by Jesús Canora Breakdown of academic impact, for papers by Anteo Di Napoli Breakdown of academic impact, for papers by Hhs Centers for Medicare and Medicaid Services
Rankless by CCL
2026