Siew C. Ng

55.7k total citations · 23 hit papers
412 papers, 30.3k citations indexed

About

Siew C. Ng is a scholar working on Genetics, Epidemiology and Surgery. According to data from OpenAlex, Siew C. Ng has authored 412 papers receiving a total of 30.3k indexed citations (citations by other indexed papers that have themselves been cited), including 165 papers in Genetics, 150 papers in Epidemiology and 129 papers in Surgery. Recurrent topics in Siew C. Ng's work include Inflammatory Bowel Disease (160 papers), Gut microbiota and health (104 papers) and Microscopic Colitis (100 papers). Siew C. Ng is often cited by papers focused on Inflammatory Bowel Disease (160 papers), Gut microbiota and health (104 papers) and Microscopic Colitis (100 papers). Siew C. Ng collaborates with scholars based in Hong Kong, China and United States. Siew C. Ng's co-authors include Francis K.L. Chan, Gilaad G. Kaplan, Joseph J.�Y. Sung, Fox E. Underwood, Michael A. Kamm, Whitney Tang, Subrata Ghosh, Hai Yun Shi, Remo Panaccione and Tao Zuo and has published in prestigious journals such as Nature, Cell and The Lancet.

In The Last Decade

Siew C. Ng

394 papers receiving 29.8k 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.

Worldwide incidence and prevalence of inflammatory bowel disease in the 21st century: a systematic review of population-based studies

2017 4.3k citations Siew C. Ng, Fox E. Underwood et al. profile →
Global Prevalence of Helicobacter pylori Infection: Systematic Review and Meta-Analysis

2017 2.3k citations Fox E. Underwood, Justin CY Wu et al. profile →
Understanding and Preventing the Global Increase of Inflammatory Bowel Disease

2016 838 citations Gilaad G. Kaplan, Siew C. Ng profile →
Manifestations and prognosis of gastrointestinal and liver involvement in patients with COVID-19: a systematic review and meta-analysis

2020 681 citations Siew C. Ng et al. profile →
Crohn’s disease

2020 631 citations Siew C. Ng, Remo Panaccione et al. profile →
Gut mucosal microbiome across stages of colorectal carcinogenesis

2015 510 citations Geicho Nakatsu, Sunny H. Wong et al. profile →
Geographical variability and environmental risk factors in inflammatory bowel disease

2013 461 citations Siew C. Ng, Çharles N. Bernstein et al. Gut profile →
Corticosteroids, But Not TNF Antagonists, Are Associated With Adverse COVID-19 Outcomes in Patients With Inflammatory Bowel Diseases: Results From an International Registry

2020 454 citations Erica J. Brenner, Ryan C. Ungaro et al. profile →
The Gut Microbiota in the Pathogenesis and Therapeutics of Inflammatory Bowel Disease

2018 453 citations Tao Zuo, Siew C. Ng profile →
The Worldwide Incidence and Prevalence of Inflammatory Bowel Disease in the 21st Century: A Systematic Review of Population-Based Studies

2017 451 citations Siew C. Ng, Fox E. Underwood et al. profile →
The epidemiology of inflammatory bowel disease: East meets west

2019 434 citations Joyce Wing Yan Mak, Siew C. Ng et al. profile →
Adherent-invasive Escherichia coli in inflammatory bowel disease

2017 389 citations Zhilu Xu, Joana Torres et al. Gut profile →
Enteric fungal microbiota dysbiosis and ecological alterations in colorectal cancer

2018 357 citations Olabisi Oluwabukola Coker, Geicho Nakatsu et al. Gut profile →
The Global Incidence of Appendicitis

2017 352 citations Siew C. Ng, Gilaad G. Kaplan et al. profile →
Depicting SARS-CoV-2 faecal viral activity in association with gut microbiota composition in patients with COVID-19

2020 342 citations Tao Zuo, Qin Liu et al. Gut profile →
Gut mucosal virome alterations in ulcerative colitis

2019 299 citations Tao Zuo, Jessica Y. L. Ching et al. Gut profile →
Incidence of Celiac Disease Is Increasing Over Time: A Systematic Review and Meta-analysis

2020 285 citations Fox E. Underwood, Stephanie Coward et al. The American Journal of Gastroenterology profile →
Alterations in Enteric Virome Are Associated With Colorectal Cancer and Survival Outcomes

2018 266 citations Geicho Nakatsu, William Ka Kei Wu et al. profile →
The changing epidemiology of liver diseases in the Asia–Pacific region

2018 242 citations Martin C. S. Wong, Siew C. Ng et al. Nature Reviews Gastroenterology & Hepatology profile →
Changing Global Epidemiology of Inflammatory Bowel Diseases: Sustaining Health Care Delivery Into the 21st Century

2020 187 citations Gilaad G. Kaplan, Siew C. Ng et al. profile →
Gut microbiota in COVID-19: key microbial changes, potential mechanisms and clinical applications

2022 158 citations Qin Liu, Qi Su et al. Nature Reviews Gastroenterology & Hepatology profile →
Updated epidemiology of gastrointestinal cancers in East Asia

2023 147 citations Sunny H. Wong, Siew C. Ng et al. Nature Reviews Gastroenterology & Hepatology profile →
Gut microbiota in patients with obesity and metabolic disorders — a systematic review

2022 144 citations Zhilu Xu, Francis K.L. Chan et al. profile →

Peers

Countries citing papers authored by Siew C. Ng

Since Specialization

Citations

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

Fields of papers citing papers by Siew C. Ng

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Siew C. Ng. 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 Siew C. Ng. The network helps show where Siew C. Ng may publish in the future.

Co-authorship network of co-authors of Siew C. Ng

This figure shows the co-authorship network connecting the top 25 collaborators of Siew C. Ng. A scholar is included among the top collaborators of Siew C. Ng 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 Siew C. Ng. Siew C. Ng 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	Global Consensus Statement on the Management of Pregnancy in Inflammatory Bowel Disease 2025 ·The American Journal of Gastroenterology ·Uma Mahadevan, Cynthia H. Seow, Edward L. Barnes, María Chaparro, Emma Flanagan, Sonia Friedman, Mette Julsgaard, Sunanda V. Kane, Siew C. Ng, Joana Torres, Gillian Watermeyer, Jesús K. Yamamoto‐Furusho, Christopher Robinson, (unknown), Phil Anderson, Richard B. Gearry, Dana Ďuricová, Marla C. Dubinsky, (unknown), (unknown)	2
2	The Distinctive Clinical Profiles of Children With Autism Suffering From Different Subtypes of Rome IV Functional Gastrointestinal Disorders 2025 ·Autism Research ·(unknown), (unknown), (unknown), Sandra Sau Man Chan, (unknown), (unknown), (unknown), (unknown), (unknown), Francis K.L. Chan, Siew C. Ng, Oscar W. H. Wong	0
3	Shaping the future of inflammatory bowel disease: a global research agenda for better management and public health response 2025 ·Nature Reviews Gastroenterology & Hepatology ·Virginia Solitano, Çharles N. Bernstein, Iris Dotan, Axel Dignaß, (unknown), Marla C. Dubinsky, Richard B. Gearry, (unknown), Gilaad G. Kaplan, Christopher Ma, Fernando Magro, Joyce Wing Yan Mak, Siew C. Ng, Remo Panaccione, (unknown), David T. Rubin, Corey A. Siegel, Vipul Jairath, Laurent Peyrin‐Biroulet, Silvio Danese	5
4	The Long‐Term Risk of Metachronous Advanced Adenoma Recurrence After Endoscopic Submucosal Dissection for Colorectal Neoplasia: A Propensity‐Score Matched Longitudinal Cohort With 5‐Year Follow‐Up 2024 ·United European Gastroenterology Journal ·Min Dai, Xiang Xiao, (unknown), Rashid N. Lui, Hon Chi Yip, (unknown), (unknown), Simon S.M. Ng, Philip Wai Yan Chiu, Siew C. Ng, Francis K.L. Chan, Louis Ho Shing Lau	1
5	Geographical and sociodemographic epidemiology of inflammatory bowel disease in young females from 2010 to 2019 2024 ·Digestive and Liver Disease ·Pojsakorn Danpanichkul, Kwanjit Duangsonk, (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), Nathorn Chaiyakunapruk, Rashid N. Lui, Gursimran Kochhar, Siew C. Ng, Francis A. Farraye, Karn Wijarnpreecha	4
6	Joint Asian Pacific Association of Gastroenterology (APAGE)–Asian Pacific Society of Digestive Endoscopy (APSDE) clinical practice guidelines on the use of non-invasive biomarkers for diagnosis of colorectal neoplasia 2023 ·Gut ·Francis K.L. Chan, Martin C. S. Wong, Andrew T. Chan, James E. East, Han‐Mo Chiu, Govind K Makharia, David Weller, Choon Jin Ooi, Julajak Limsrivilai, Yutaka Saito, Hang Viet Dao, Jon Emery, Dadang Makmun, Kaichun Wu, Raja Affendi Raja Ali, Siew C. Ng	12
7	Incidence and Prevalence of Primary Sclerosing Cholangitis: A Meta-analysis of Population-based Studies 2023 ·Inflammatory Bowel Diseases ·(unknown), (unknown), Stephanie Coward, (unknown), Abdel Aziz Shaheen, Mark G. Swain, Remo Panaccione, Christopher Ma, Cathy Lu, Kerri L. Novak, Karen I. Kroeker, Siew C. Ng, Gilaad G. Kaplan	7
8	The Multiple Waves of COVID-19 in Patients With Inflammatory Bowel Disease: A Temporal Trend Analysis 2022 ·Inflammatory Bowel Diseases ·Gilaad G. Kaplan, Fox E. Underwood, Stephanie Coward, Manasi Agrawal, Ryan C. Ungaro, Erica J. Brenner, (unknown), Michele Kissous-Hunt, James D. Lewis, Siew C. Ng, Jean‐François Rahier, Walter Reinisch, Flávio Steinwurz, Xian Zhang, Michael D. Kappelman, Jean‐Frédéric Colombel	3
9	Antibiotics and probiotics impact gut antimicrobial resistance gene reservoir in COVID-19 patients 2022 ·Gut Microbes ·Qi Su, Qin Liu, Lin Zhang, Zhilu Xu, Chen-Yu Liu, Wenqi Lu, Jessica Y. L. Ching, Amy Li, Joyce Wing Yan Mak, Grace Lui, Susanna S. Ng, Kai Ming Chow, David S.C. Hui, Paul K.S. Chan, Francis K.L. Chan, Siew C. Ng	10
10	Gut microbiota composition is associated with SARS-CoV-2 vaccine immunogenicity and adverse events 2022 ·Gut ·Siew C. Ng, Ye Peng, Lin Zhang, (unknown), Shilin Zhao, Amy Li, Jessica Y. L. Ching, Yingzhi Liu, Shuai Yan, (unknown), Jie Zhu, Chunke Chen, Adrian Chi Heng Fung, Kenneth KY Wong, David S.C. Hui, Francis K.L. Chan, Hein M. Tun	111
11	Novel strain-level resolution of Crohn’s disease mucosa-associated microbiota via an ex vivo combination of microbe culture and metagenomic sequencing 2021 ·The ISME Journal ·(unknown), Erwin M. Berendsen, Emily C. Hoedt, Seungha Kang, Jingwan Zhang, (unknown), (unknown), Amy L. Hamilton, Amy Wilson‐O’Brien, Jessica Y. L. Ching, Joseph J.�Y. Sung, Jun Yu, Siew C. Ng, Michael A. Kamm, Mark Morrison	16
12	Sex‐based differences in the incidence of inflammatory bowel diseases—pooled analysis of population‐based studies from the Asia‐Pacific region 2019 ·Alimentary Pharmacology & Therapeutics ·Shailja C. Shah, Hamed Khalili, Chung‐Yu Chen, Hyeong Sik Ahn, Siew C. Ng, Johan Burisch, Jean‐Frédéric Colombel	62
13	Prospective colonoscopic study to investigate risk of colorectal neoplasms in first-degree relatives of patients with non-advanced adenomas 2019 ·Gut ·Siew C. Ng, Moe H. Kyaw, Bing Yee Suen, Yee Kit Tse, Martin C. S. Wong, Aric J. Hui, (unknown), James Y. Lau, Joseph J.�Y. Sung, Francis K.L. Chan	5
14	Enteric fungal microbiota dysbiosis and ecological alterations in colorectal cancer breakdown → 2018 ·Gut ·Olabisi Oluwabukola Coker, Geicho Nakatsu, (unknown), William Ka Kei Wu, Sunny H. Wong, Siew C. Ng, Francis K.L. Chan, Joseph J.�Y. Sung, Jun Yu	357
15	Bacteriophage transfer during faecal microbiota transplantation in Clostridium difficile infection is associated with treatment outcome 2017 ·Gut ·Tao Zuo, Sunny H. Wong, Kelvin Lam, Rashid N. Lui, Kitty Cheung, Whitney Tang, Jessica Y. L. Ching, Paul K.S. Chan, Martin C.W. Chan, Justin CY Wu, Francis K.L. Chan, Jun Yu, Joseph J.�Y. Sung, Siew C. Ng	258
16	Fecal Bacteria Act as Novel Biomarkers for Noninvasive Diagnosis of Colorectal Cancer 2016 ·Clinical Cancer Research ·Qiaoyi Liang, Jonathan Chiu, Yingxuan Chen, Yanqin Huang, Akihiro Higashimori, Jing‐Yuan Fang, Hassan Brim, Hassan Ashktorab, Siew C. Ng, Simon S.M. Ng, Shu Zheng, Francis K.L. Chan, Joseph J.�Y. Sung, Jun Yu	248
17	Hemolytic E. coli Promotes Colonic Tumorigenesis in Females 2016 ·Cancer Research ·Ye Jin, Senwei Tang, Weilin Li, Siew C. Ng, Michael W.Y. Chan, Joseph J.�Y. Sung, Jun Yu	12
18	An updated Asia Pacific Consensus Recommendations on colorectal cancer screening 2014 ·Gut ·Joseph J.�Y. Sung, Siew C. Ng, Francis K.L. Chan, Han‐Mo Chiu, Hyo Song Kim, Takahisa Matsuda, Simon S.M. Ng, James Y. Lau, Shu Zheng, Samuel N. Adler, D. Nageshwar Reddy, Khay Guan Yeoh, (unknown), Jessica Ching, Ernst J. Kuipers, Linda Rabeneck, Graeme P. Young, R. Steele, David A. Lieberman, Khean‐Lee Goh	302
19	Identification of microRNA-135b in Stool as a Potential Noninvasive Biomarker for Colorectal Cancer and Adenoma 2014 ·Clinical Cancer Research ·Chung Wah Wu, Siew C. Ng, Yujuan Dong, Linwei Tian, Simon S.M. Ng, Wing Wa Leung, (unknown), Tung On Yau, Francis K.L. Chan, Joseph J.�Y. Sung, Jun Yu	114
20	Review article: the optimal medical management of acute severe ulcerative colitis 2010 ·Alimentary Pharmacology & Therapeutics ·AL Hart, Siew C. Ng	24

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