Kelechi Nnoaham

3.9k total citations · 2 hit papers
27 papers, 2.5k citations indexed

About

Kelechi Nnoaham is a scholar working on Public Health, Environmental and Occupational Health, Reproductive Medicine and Obstetrics and Gynecology. According to data from OpenAlex, Kelechi Nnoaham has authored 27 papers receiving a total of 2.5k indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Public Health, Environmental and Occupational Health, 8 papers in Reproductive Medicine and 7 papers in Obstetrics and Gynecology. Recurrent topics in Kelechi Nnoaham's work include Endometriosis Research and Treatment (8 papers), Obesity, Physical Activity, Diet (6 papers) and Uterine Myomas and Treatments (6 papers). Kelechi Nnoaham is often cited by papers focused on Endometriosis Research and Treatment (8 papers), Obesity, Physical Activity, Diet (6 papers) and Uterine Myomas and Treatments (6 papers). Kelechi Nnoaham collaborates with scholars based in United Kingdom, Nigeria and Australia. Kelechi Nnoaham's co-authors include Aileen Clarke, Krina T. Zondervan, Stephen Kennedy, Premila Webster, Lone Hummelshøj, Crispin Jenkinson, Thomas D’Hooghe, Fiorenzo De Cicco Nardone, Carlo De Cicco Nardone and Mike Rayner and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Gut.

In The Last Decade

Kelechi Nnoaham

27 papers receiving 2.4k citations

Hit Papers

Impact of endometriosis on quality of life and work produ... 2008 2026 2014 2020 2011 2008 250 500 750 1000
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. Impact of endometriosis on quality of life and work productivity: a multicenter study across ten countries
    2011 1.1k citations Kelechi Nnoaham, Lone Hummelshøj et al. Fertility and Sterility profile →
  2. Low serum vitamin D levels and tuberculosis: a systematic review and meta-analysis
    2008 533 citations Kelechi Nnoaham, Aileen Clarke International Journal of Epidemiology profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Kelechi Nnoaham United Kingdom 17 1.3k 1.0k 731 381 342 27 2.5k
Özlem Moraloğlu Tekın Türkiye 22 266 0.2× 1.1k 1.1× 583 0.8× 69 0.2× 185 0.5× 164 1.7k
A Coomarasamy United Kingdom 21 907 0.7× 689 0.7× 900 1.2× 44 0.1× 312 0.9× 52 2.3k
Suneeta Mittal India 25 505 0.4× 1.2k 1.2× 1.4k 1.9× 28 0.1× 186 0.5× 123 3.0k
Anne E. Burke United States 31 198 0.1× 452 0.4× 1.0k 1.4× 84 0.2× 142 0.4× 93 2.8k
Zouhair Amarin Jordan 26 379 0.3× 468 0.5× 635 0.9× 27 0.1× 143 0.4× 105 2.0k
Edith Weisberg Australia 27 513 0.4× 387 0.4× 1.2k 1.7× 96 0.3× 86 0.3× 97 2.3k
John Guillebaud United Kingdom 29 982 0.7× 715 0.7× 2.0k 2.7× 40 0.1× 177 0.5× 112 3.4k
Anita L. Nelson United States 27 503 0.4× 492 0.5× 1.2k 1.6× 49 0.1× 75 0.2× 130 2.0k
Mark A. Klebanoff United States 28 68 0.1× 1.2k 1.2× 598 0.8× 117 0.3× 263 0.8× 41 2.9k
Adrian Cook United Kingdom 26 295 0.2× 83 0.1× 356 0.5× 79 0.2× 50 0.1× 96 2.2k

Countries citing papers authored by Kelechi Nnoaham

Since Specialization
Citations

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

Fields of papers citing papers by Kelechi Nnoaham

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kelechi Nnoaham

This figure shows the co-authorship network connecting the top 25 collaborators of Kelechi Nnoaham. A scholar is included among the top collaborators of Kelechi Nnoaham 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 Kelechi Nnoaham. Kelechi Nnoaham 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.
Olatona, F.A., et al.. (2023). Dietary diversity and nutritional status of adolescents in Lagos, Nigeria. SHILAP Revista de lepidopterología. 12(8). 1547–1554. 5 indexed citations
2.
Drakesmith, Mark, Brendan Collins, Angela Jones, Kelechi Nnoaham, & Daniel Thomas. (2022). Cost-effectiveness of a whole-area testing pilot of asymptomatic SARS-CoV-2 infections with lateral flow devices: a modelling and economic analysis study. BMC Health Services Research. 22(1). 9 indexed citations
3.
Daniel, Rhian, et al.. (2022). SARS-CoV-2 sero-prevalence in the workforces of three large workplaces in South Wales: a sero-epidemiological study. BMC Public Health. 22(1). 162–162. 1 indexed citations
4.
5.
Nnoaham, Kelechi & Kimberley Cann. (2020). Can cluster analyses of linked healthcare data identify unique population segments in a general practice-registered population?. BMC Public Health. 20(1). 798–798. 20 indexed citations
6.
Nnoaham, Kelechi, Lone Hummelshøj, Premila Webster, et al.. (2019). Reprint of: Impact of endometriosis on quality of life and work productivity: a multicenter study across ten countries. Fertility and Sterility. 112(4). e137–e152. 38 indexed citations
7.
Olatona, F.A., et al.. (2018). Dietary habits and metabolic risk factors for non-communicable diseases in a university undergraduate population. Journal of Health Population and Nutrition. 37(1). 21–21. 83 indexed citations
8.
Fawole, Adeniran O., Folasade Adenike Bello, Olayinka Ogunbode, et al.. (2015). Endometriosis and associated symptoms among Nigerian women. International Journal of Gynecology & Obstetrics. 130(2). 190–194. 23 indexed citations
9.
Mhurchú, Cliona Ní, Helen Eyles, Murat Genç, et al.. (2015). Effects of Health-Related Food Taxes and Subsidies on Mortality from Diet-Related Disease in New Zealand: An Econometric-Epidemiologic Modelling Study. PLoS ONE. 10(7). e0128477–e0128477. 47 indexed citations
10.
Nnoaham, Kelechi, Lone Hummelshøj, Stephen Kennedy, Crispin Jenkinson, & Krina T. Zondervan. (2012). Developing symptom-based predictive models of endometriosis as a clinical screening tool: results from a multicenter study. Fertility and Sterility. 98(3). 692–701.e5. 90 indexed citations
11.
Nnoaham, Kelechi, Premila Webster, Jharna Kumbang, Stephen Kennedy, & Krina T. Zondervan. (2012). Is early age at menarche a risk factor for endometriosis? A systematic review and meta-analysis of case-control studies. Fertility and Sterility. 98(3). 702–712.e6. 113 indexed citations
12.
Nnoaham, Kelechi, Lone Hummelshøj, Premila Webster, et al.. (2011). Impact of endometriosis on quality of life and work productivity: a multicenter study across ten countries. Fertility and Sterility. 96(2). 366–373.e8. 1096 indexed citations breakdown →
13.
Nnoaham, Kelechi, Lone Hummelshøj, C Jenkinson, et al.. (2010). Multi-Centre Studies of the Global Impact of Endometriosis and the Predictive Value of Associated Symptoms.. Reproductive Sciences. 17. 3 indexed citations
14.
Nnoaham, Kelechi, Lone Hummelshøj, C Jenkinson, et al.. (2010). Global study of women's health: a multi-centre study of the global impact of endometriosis. Human Reproduction. 25. 2 indexed citations
15.
Scarborough, Peter, et al.. (2010). Modelling the impact of a healthy diet on cardiovascular disease and cancer mortality. Journal of Epidemiology & Community Health. 66(5). 420–426. 97 indexed citations
16.
Nnoaham, Kelechi, Alison Frater, PJ Roderick, Graham Moon, & Stephen P Halloran. (2010). Do geodemographic typologies explain variations in uptake in colorectal cancer screening? An assessment using routine screening data in the south of England. Journal of Public Health. 32(4). 572–581. 18 indexed citations
17.
Nnoaham, Kelechi, Gary Sacks, Mike Rayner, Oliver Mytton, & Alastair Gray. (2009). Modelling income group differences in the health and economic impacts of targeted food taxes and subsidies. International Journal of Epidemiology. 38(5). 1324–1333. 128 indexed citations
18.
Nnoaham, Kelechi, et al.. (2008). Modelling future capacity needs and spending on colonoscopy in the English bowel cancer screening programme. Gut. 57(9). 1238–1245. 12 indexed citations
19.
Nnoaham, Kelechi & Aileen Clarke. (2008). Low serum vitamin D levels and tuberculosis: a systematic review and meta-analysis. International Journal of Epidemiology. 37(1). 113–119. 533 indexed citations breakdown →
20.
Nnoaham, Kelechi, et al.. (2006). Perceptions and experiences of tuberculosis among African patients attending a tuberculosis clinic in London.. LSHTM Research Online (London School of Hygiene and Tropical Medicine). 35 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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