Hude Quan

46.5k total citations · 12 hit papers
439 papers, 35.0k citations indexed

About

Hude Quan is a scholar working on Epidemiology, General Health Professions and Cardiology and Cardiovascular Medicine. According to data from OpenAlex, Hude Quan has authored 439 papers receiving a total of 35.0k indexed citations (citations by other indexed papers that have themselves been cited), including 139 papers in Epidemiology, 121 papers in General Health Professions and 116 papers in Cardiology and Cardiovascular Medicine. Recurrent topics in Hude Quan's work include Chronic Disease Management Strategies (93 papers), Medical Coding and Health Information (93 papers) and Healthcare Policy and Management (52 papers). Hude Quan is often cited by papers focused on Chronic Disease Management Strategies (93 papers), Medical Coding and Health Information (93 papers) and Healthcare Policy and Management (52 papers). Hude Quan collaborates with scholars based in Canada, United States and Australia. Hude Quan's co-authors include William A. Ghali, Vijaya Sundararajan, Cynthia A Beck, L. Duncan Saunders, Thomas E. Feasby, Bernard Burnand, Andrew Fong, Jean‐Christophe Luthi, Patricia Halfon and Jean‐Marie Januel and has published in prestigious journals such as JAMA, Circulation and SHILAP Revista de lepidopterología.

In The Last Decade

Hude Quan

428 papers receiving 34.4k 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.

Coding Algorithms for Defining Comorbidities in ICD-9-CM and ICD-10 Administrative Data

2005 8.5k citations Hude Quan, L. Duncan Saunders et al. profile →
Updating and Validating the Charlson Comorbidity Index and Score for Risk Adjustment in Hospital Discharge Abstracts Using Data From 6 Countries

2011 4.3k citations Hude Quan et al. profile →
New ICD-10 version of the Charlson comorbidity index predicted in-hospital mortality

2004 1.9k citations Hude Quan, William A. Ghali et al. profile →
A Modification of the Elixhauser Comorbidity Measures Into a Point System for Hospital Death Using Administrative Data

2009 1.7k citations Hude Quan et al. profile →
Exploring physician specialist response rates to web-based surveys

2015 726 citations Hude Quan, Brenda R. Hemmelgarn et al. profile →
Assessing Validity of ICD‐9‐CM and ICD‐10 Administrative Data in Recording Clinical Conditions in a Unique Dually Coded Database

2008 721 citations Hude Quan, Bing Li et al. Health Services Research profile →
How to practice person‐centred care: A conceptual framework

2017 565 citations Hude Quan, Mingshan Lu et al. profile →
Validity of Information on Comorbidity Derived From ICD-9-CCM Administrative Data

2002 524 citations Hude Quan, William A. Ghali et al. profile →
Dealing with missing data in a multi-question depression scale: a comparison of imputation methods

2006 508 citations Hude Quan, William A. Ghali et al. profile →
An administrative data merging solution for dealing with missing data in a clinical registry: adaptation from ICD-9 to ICD-10

2008 449 citations Danielle A. Southern, Hude Quan et al. profile →
Methods for identifying 30 chronic conditions: application to administrative data

2015 307 citations Brenda R. Hemmelgarn, Hude Quan et al. profile →
Incidence of Celiac Disease Is Increasing Over Time: A Systematic Review and Meta-analysis

2020 285 citations James A. King, Fox E. Underwood et al. profile →

Peers

Countries citing papers authored by Hude Quan

Since Specialization

Citations

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

Fields of papers citing papers by Hude Quan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hude Quan

This figure shows the co-authorship network connecting the top 25 collaborators of Hude Quan. A scholar is included among the top collaborators of Hude Quan 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 Hude Quan. Hude Quan 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

#	Work	Indexed citations
1	Utilizing large language models for detecting hospital-acquired conditions: an empirical study on pulmonary embolism 2025 ·Journal of the American Medical Informatics Association ·(unknown), Danielle A. Southern, Jun Yan, (unknown), (unknown), (unknown), Elliot A. Martin, (unknown), Cathy A. Eastwood, Yong Zeng, Hude Quan	1
2	Extracting social determinants of health from inpatient electronic medical records using natural language processing 2024 ·PubMed ·Elliot A. Martin, (unknown), Vineet Saini, Karen Tang, Hude Quan, Cathy A. Eastwood	3
3	Identifying personalized barriers for hypertension self-management from TASKS framework 2024 ·BMC Research Notes ·(unknown), Yong Zeng, (unknown), Nadia Khan, (unknown), Robin L. Walker, (unknown), Hude Quan	0
4	Enhancing Large Language Models with Human Expertise for Disease Detection in Electronic Health Records 2024 ·(unknown), (unknown), (unknown), Elliot A. Martin, Kiarash Riazi, Hude Quan, Na Li	0
5	Real-world Use and Outcomes of Sodium-Glucose Cotransporter-2 Inhibitors in Adults With Diabetes and Heart Failure: A Population-level Cohort Study in Alberta, Canada 2024 ·Canadian Journal of Diabetes ·Sonia Butalia, (unknown), Ronald J. Sigal, Peter Senior, Hude Quan, Luan Manh Chu, Roseanne O. Yeung, Padma Kaul	1
6	Variation in Testing for and Incidence of Celiac Autoimmunity in Canada: A Population-Based Study 2023 ·Gastroenterology ·James A. King, Jeffrey A. Bakal, Bing Li, Tara A. Whitten, Dominica Gidrewicz, Justine Turner, Sander Veldhuyzen van Zanten, Hien Q. Huynh, Steven J. Heitman, Abdel Aziz Shaheen, Hude Quan, Jenny Godley, Fox E. Underwood, Lindsay Hracs, David Bergman, Jonas F. Ludvigsson, Benjamin Lebwohl, Eric I. Benchimol, Tyler Williamson, Gilaad G. Kaplan	7
7	Exploring the reliability of inpatient EMR algorithms for diabetes identification 2023 ·BMJ Health & Care Informatics ·(unknown), Elliot A. Martin, (unknown), Cathy A. Eastwood, Danielle A. Southern, David J.T. Campbell, Abdel Aziz Shaheen, Hude Quan, Sonia Butalia	3
8	International Classification of Diseases clinical coding training: An international survey 2022 ·Health Information Management Journal ·(unknown), Chelsea Doktorchik, Natalie Wiebe, Danielle A. Southern, (unknown), (unknown), Hude Quan, Cathy A. Eastwood	9
9	Electronic Medical Record–Based Case Phenotyping for the Charlson Conditions: Scoping Review 2021 ·JMIR Medical Informatics ·(unknown), Chelsea Doktorchik, Elliot A. Martin, (unknown), Cathy A. Eastwood, Abdel Aziz Shaheen, Christopher Naugler, Joon Lee, Hude Quan	14
10	Electronically Available Patient Claims Data Improve Models for Comparing Antibiotic Use Across Hospitals: Results From 576 US Facilities 2020 ·Clinical Infectious Diseases ·Katherine E Goodman, Lisa Pineles, Laurence S. Magder, Deverick J. Anderson, Elizabeth Dodds Ashley, Ronald E. Polk, Hude Quan, William E. Trick, Keith F. Woeltje, Surbhi Leekha, Sara E. Cosgrove, Anthony D. Harris	14
11	Strategies for enhancing the initiation of cholesterol lowering medication among patients at high cardiovascular disease risk: a qualitative descriptive exploration of patient and general practitioners’ perspectives on a facilitated relay intervention in Alberta, Canada 2020 ·BMJ Open ·David J.T. Campbell, (unknown), Kerry McBrien, Todd J. Anderson, Hude Quan, Alexander A. C. Leung, Guanmin Chen, Mingshan Lu, Christopher Naugler, Sonia Butalia	5
12	Achieving quality primary care data: a description of the Canadian Primary Care Sentinel Surveillance Network data capture, extraction, and processing in Alberta 2019 ·International Journal for Population Data Science ·Stephanie Garies, (unknown), Brian Forst, Kerry McBrien, Boglárka Soós, (unknown), Neil Drummond, Donna Manca, (unknown), Hude Quan, Tyler Williamson	9
13	Defining and validating comorbidities and procedures in ICD-10 health data in ST-elevation myocardial infarction patients 2016 ·Medicine ·Erik Youngson, Robert C. Welsh, Padma Kaul, Finlay A. McAlister, Hude Quan, Jeffrey A. Bakal	27
14	Appropriateness of the use of intravenous immune globulin before and after the introduction of a utilization control program. 2012 ·PubMed ·Thomas E. Feasby, Hude Quan, Michelle Tubman, David Pi, Alan Tinmouth, Lawrence So, William A. Ghali	10
15	Language barriers: use of regular medical doctors by Canada's official language minorities. 2012 ·PubMed ·Emmanuel Ngwakongnwi, Brenda R. Hemmelgarn, Richard Musto, Kathryn King‐Shier, Hude Quan	8
16	Reduced Health Resource Use After Acupuncture for Low-Back Pain 2011 ·The Journal of Alternative and Complementary Medicine ·Sabine Moritz, (unknown), (unknown), (unknown), (unknown), Hude Quan	15
17	Trends in Heart Failure Care: Has the Incident Diagnosis of Heart Failure Shifted from the Hospital to the Emergency Department and Outpatient Clinics? 2010 ·European Journal of Heart Failure ·Justin A. Ezekowitz, Padma Kaul, Jeffrey A. Bakal, Hude Quan, Finlay A. McAlister	113
18	Assessing Validity of ICD‐9‐CM and ICD‐10 Administrative Data in Recording Clinical Conditions in a Unique Dually Coded Database breakdown → 2008 ·Health Services Research ·Hude Quan, Bing Li, L. Duncan Saunders, (unknown), Carolyn Nilsson, Arif Alibhai, William A. Ghali, (unknown)	721
19	Predicting in-hospital mortality in patients with cirrhosis: Results differ across risk adjustment methods # 2008 ·Hepatology ·Robert P. Myers, Hude Quan, James Hubbard, Abdel Aziz Shaheen, Gilaad G. Kaplan	70
20	An audit tool for assessing the appropriateness of carotid endarterectomy 2004 ·BMC Health Services Research ·Theodore A. Kennedy, Hude Quan, Thomas E. Feasby, William A. Ghali	9

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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