Ousman Nyan

8.4k total citations · 1 hit paper
27 papers, 4.9k citations indexed

About

Ousman Nyan is a scholar working on Public Health, Environmental and Occupational Health, Epidemiology and Endocrinology, Diabetes and Metabolism. According to data from OpenAlex, Ousman Nyan has authored 27 papers receiving a total of 4.9k indexed citations (citations by other indexed papers that have themselves been cited), including 9 papers in Public Health, Environmental and Occupational Health, 6 papers in Epidemiology and 5 papers in Endocrinology, Diabetes and Metabolism. Recurrent topics in Ousman Nyan's work include Diabetes, Cardiovascular Risks, and Lipoproteins (5 papers), Mental Health Treatment and Access (3 papers) and Hepatitis B Virus Studies (3 papers). Ousman Nyan is often cited by papers focused on Diabetes, Cardiovascular Risks, and Lipoproteins (5 papers), Mental Health Treatment and Access (3 papers) and Hepatitis B Virus Studies (3 papers). Ousman Nyan collaborates with scholars based in Gambia, United Kingdom and Ghana. Ousman Nyan's co-authors include Marianne A. B. van der Sande, Keith P. W. J. McAdam, Gijs Walraven, Winston Banya, Paul Milligan, Mustapha Bittaye, Andrew M. Prentice, Rosalind Coleman, Samuel A. Obed and Bissallah Ekele and has published in prestigious journals such as PLoS ONE, Stroke and American Journal of Public Health.

In The Last Decade

Ousman Nyan

25 papers receiving 4.6k citations

Hit 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.

Bulletin of the World Health Organization

2001 4.4k citations Marianne A. B. van der Sande, Gijs Walraven et al. Bulletin of the World Health Organization profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Ousman Nyan Gambia	13	1.0k	889	869	729	498	27	4.9k
Stuart Gilmour Japan	39	1.2k 1.1×	838 0.9×	795 0.9×	1.3k 1.7×	536 1.1×	180	5.1k
Daniel D. Reidpath Malaysia	39	1.5k 1.4×	798 0.9×	1.1k 1.2×	795 1.1×	776 1.6×	234	5.4k
Hoàng Văn Minh Vietnam	41	1.2k 1.2×	941 1.1×	984 1.1×	921 1.3×	438 0.9×	346	5.8k
Nawi Ng Sweden	38	1.1k 1.1×	729 0.8×	1.3k 1.4×	600 0.8×	385 0.8×	180	4.9k
Heiko Becher Germany	49	900 0.9×	1.2k 1.4×	1.3k 1.5×	1.4k 2.0×	469 0.9×	310	8.8k
Kazem Mohammad Iran	38	995 1.0×	694 0.8×	984 1.1×	877 1.2×	208 0.4×	210	5.1k
Joel Negin Australia	35	1.4k 1.3×	925 1.0×	604 0.7×	826 1.1×	1.1k 2.3×	134	3.9k
Carol Levin United States	38	1.2k 1.2×	794 0.9×	559 0.6×	1.2k 1.7×	531 1.1×	116	4.8k
Catherine Kyobutungi Kenya	36	1.2k 1.2×	923 1.0×	945 1.1×	777 1.1×	265 0.5×	132	4.6k
Virasakdi Chongsuvivatwong Thailand	41	879 0.9×	738 0.8×	912 1.0×	1.3k 1.8×	1.3k 2.5×	335	6.0k

Countries citing papers authored by Ousman Nyan

Since Specialization

Citations

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

Fields of papers citing papers by Ousman Nyan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ousman Nyan

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

Bah, Momodou G., et al.. (2024). History and Current State of Neurosurgery in the Gambia. World Neurosurgery. 187. 2–10. 2 indexed citations

Njie, Ramou, Lamin Jaiteh, Ousman Nyan, et al.. (2024). Clinical Characteristics and Prognostic Factors of COVID‐19 Patients Admitted to the National Treatment Center in The Gambia. Advances in Public Health. 2024(1).

Jaiteh, Lamin, Alfred Amambua‐Ngwa, Abdul Karim Sesay, et al.. (2023). Malaria in adults after the start of Covid-19 pandemic: an analysis of admission trends, demographics, and outcomes in a tertiary hospital in the Gambia. Malaria Journal. 22(1). 253–253. 3 indexed citations

Jaiteh, Lamin, Behzad Nadjm, Alfred Amambua‐Ngwa, et al.. (2022). Clinical manifestations and outcomes of severe malaria in adult patients admitted to a tertiary hospital in the Gambia. Malaria Journal. 21(1). 270–270. 12 indexed citations

Senghore, Thomas, et al.. (2019). Estilos de aprendizaje de preferencia entre estudiantes de Medicina en La Gambia. Educación Médica Superior. 33(4). 1 indexed citations

Bittaye, Mustapha, et al.. (2019). Hepatitis B virus sero-prevalence amongst pregnant women in the Gambia. BMC Infectious Diseases. 19(1). 259–259. 50 indexed citations

Karch, André, et al.. (2018). Antibiotic use on paediatric inpatients in a teaching hospital in the Gambia, a retrospective study. Antimicrobial Resistance and Infection Control. 7(1). 82–82. 24 indexed citations

Micah, Frank B., et al.. (2015). High Glucose Abnormalities and Its Risk Factors in Adult Patients Attending Outpatient Clinics in Banjul, the Gambia. 3(4). 145.

Micah, Frank B., et al.. (2015). Metabolic syndrome in the Gambia: Comparison of the International Diabetes Federation and Adult Treatment Panel III definitions. 3(2). 27. 1 indexed citations

10.

Shimakawa, Yusuke, Maud Lemoine, Christian Bottomley, et al.. (2015). Birth order and risk of hepatocellular carcinoma in chronic carriers of hepatitis B virus: a case–control study in The Gambia. Liver International. 35(10). 2318–2326. 29 indexed citations

11.

Micah, Frank B., et al.. (2014). Left Ventricular Hypertrophy and Insulin Resistance in Adults from an Urban Community in the Gambia: Cross-Sectional Study. PLoS ONE. 9(4). e93606–e93606. 13 indexed citations

12.

Bah, Ebrima, et al.. (2013). 20-Years of Population-Based Cancer Registration in Hepatitis B and Liver Cancer Prevention in The Gambia, West Africa. PLoS ONE. 8(9). e75775–e75775. 14 indexed citations

13.

Thome, Johannes, et al.. (2011). Availability of psychiatric medication in an urban area of The Gambia/West Africa. The World Journal of Biological Psychiatry. 12(sup1). 114–117. 3 indexed citations

14.

Nyan, Ousman, et al.. (2011). Diagnostic characteristics of inpatients in a Western African psychiatric hospital. The World Journal of Biological Psychiatry. 12(sup1). 85–88. 2 indexed citations

15.

Sawyer, Alexandra, et al.. (2010). Women's experiences of pregnancy, childbirth, and the postnatal period in The Gambia: A qualitative study. British Journal of Health Psychology. 16(3). 528–541. 35 indexed citations

16.

Sande, Marianne A. B. van der, E Bartholomé, M. Dramaix, et al.. (2005). Stroke Presentation and Outcome in Developing Countries. Stroke. 36(7). 1388–1393. 101 indexed citations

17.

Sande, Marianne A. B. van der, Gijs Walraven, Paul Milligan, et al.. (2001). Antecedentes familiares: una oportunidad para intervenir precozmente y mejorar el control de la hipertensión, la obesidad y la diabetes. Bulletin of the World Health Organization. 79(4). 321–328. 2 indexed citations

18.

Sande, Marianne A. B. van der, Gijs Walraven, Paul Milligan, et al.. (2001). Bulletin of the World Health Organization. Bulletin of the World Health Organization. 79. 321–328. 4375 indexed citations breakdown →

19.

Sande, Marianne A. B. van der, Gijs Walraven, Robin L. Bailey, et al.. (1999). Is there a role for glycosuria testing in sub‐Saharan Africa?. Tropical Medicine & International Health. 4(7). 506–513. 9 indexed citations

20.

Sande, Marianne A. B. van der, Robin L. Bailey, Hannah Faal, et al.. (1997). Nationwide prevalence study of hypertension and related non‐communicable diseases in The Gambia. Tropical Medicine & International Health. 2(11). 1039–1048. 76 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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