Retha Steenkamp

2.3k total citations · 1 hit paper
78 papers, 1.3k citations indexed

About

Retha Steenkamp is a scholar working on Nephrology, Pulmonary and Respiratory Medicine and Economics and Econometrics. According to data from OpenAlex, Retha Steenkamp has authored 78 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 42 papers in Nephrology, 24 papers in Pulmonary and Respiratory Medicine and 14 papers in Economics and Econometrics. Recurrent topics in Retha Steenkamp's work include Dialysis and Renal Disease Management (30 papers), Renal and Vascular Pathologies (21 papers) and Chronic Kidney Disease and Diabetes (19 papers). Retha Steenkamp is often cited by papers focused on Dialysis and Renal Disease Management (30 papers), Renal and Vascular Pathologies (21 papers) and Chronic Kidney Disease and Diabetes (19 papers). Retha Steenkamp collaborates with scholars based in United Kingdom, United States and Netherlands. Retha Steenkamp's co-authors include David Ansell, Paul Roderick, Charles Tomson, Fergus Caskey, Terry Feest, Dorothea Nitsch, Daniel Ford, Simon Fraser, Anirudh Rao and Clare Castledine and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Diabetes Care.

In The Last Decade

Retha Steenkamp

71 papers receiving 1.3k citations

Hit Papers

Long-Term Outcomes in IgA... 2023 2026 2024 2023 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. Long-Term Outcomes in IgA Nephropathy
    2023 169 citations David Pitcher, Fiona Braddon et al. Clinical Journal of the American Society of Nephrology profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Retha Steenkamp United Kingdom 22 829 234 209 192 145 78 1.3k
Emmanuel Villar France 19 608 0.7× 182 0.8× 228 1.1× 160 0.8× 136 0.9× 56 1.1k
Alferso C Abrahams Netherlands 19 527 0.6× 246 1.1× 135 0.6× 156 0.8× 65 0.4× 83 1.0k
Melissa Soohoo United States 28 1.1k 1.3× 312 1.3× 83 0.4× 274 1.4× 226 1.6× 74 1.8k
Erik Roys United States 12 690 0.8× 378 1.6× 202 1.0× 275 1.4× 113 0.8× 16 1.4k
Dinanda J. de Jager Netherlands 11 573 0.7× 234 1.0× 131 0.6× 154 0.8× 218 1.5× 15 1.0k
Wendy Metcalfe United Kingdom 25 674 0.8× 413 1.8× 294 1.4× 277 1.4× 161 1.1× 56 1.9k
Alice Martin United States 10 1.0k 1.3× 288 1.2× 112 0.5× 310 1.6× 245 1.7× 15 1.5k
Caitlin Carroll United States 13 874 1.1× 271 1.2× 83 0.4× 131 0.7× 201 1.4× 31 1.4k
Karl‐Göran Prütz Sweden 16 815 1.0× 244 1.0× 89 0.4× 156 0.8× 97 0.7× 24 1.1k
Grant Luxton Australia 13 835 1.0× 159 0.7× 148 0.7× 215 1.1× 43 0.3× 23 1.2k

Countries citing papers authored by Retha Steenkamp

Since Specialization
Citations

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

Fields of papers citing papers by Retha Steenkamp

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Retha Steenkamp

This figure shows the co-authorship network connecting the top 25 collaborators of Retha Steenkamp. A scholar is included among the top collaborators of Retha Steenkamp 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 Retha Steenkamp. Retha Steenkamp 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.
Pitcher, David, Fiona Braddon, Bruce M. Hendry, et al.. (2025). Long-Term Outcomes in Nephrotic Syndrome by Kidney Biopsy Diagnosis and Proteinuria. Journal of the American Society of Nephrology. 36(7). 1398–1413. 2 indexed citations
2.
Beresford, Matthew, Anna Casula, Maria Pippias, et al.. (2025). A registry-based retrospective study comparing pre-dialysis care and early outcomes in native vs transplant kidney failure. Clinical Kidney Journal. 18(6). sfaf158–sfaf158.
3.
Steenkamp, Retha, et al.. (2024). Inequity of access to the UK kidney transplant waiting list. Nephrology Dialysis Transplantation. 40(4). 827–830.
4.
Santhakumaran, Shalini, Louis Fisher, Viyaasan Mahalingasivam, et al.. (2024). Identification of patients undergoing chronic kidney replacement therapy in primary and secondary care data: validation study based on OpenSAFELY and UK Renal Registry. SHILAP Revista de lepidopterología. 3(1). e000807–e000807. 2 indexed citations
5.
Parker, Edward P K, Elsie Horne, William Hulme, et al.. (2023). Comparative effectiveness of two- and three-dose COVID-19 vaccination schedules involving AZD1222 and BNT162b2 in people with kidney disease: a linked OpenSAFELY and UK Renal Registry cohort study. The Lancet Regional Health - Europe. 30. 100636–100636. 8 indexed citations
6.
Pitcher, David, Fiona Braddon, Bruce M. Hendry, et al.. (2023). Long-Term Outcomes in IgA Nephropathy. Clinical Journal of the American Society of Nephrology. 18(6). 727–738. 169 indexed citations breakdown →
7.
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Pitcher, David, et al.. (2023). Seasonal mortality trends for hospitalised patients with acute kidney injury across England. BMC Nephrology. 24(1). 144–144. 3 indexed citations
9.
Santhakumaran, Shalini, Christine Currie, Bhakti Stephan Onggo, et al.. (2022). Comparison of Outcomes of In-Centre Haemodialysis Patients between the 1st and 2nd COVID-19 Outbreak in England, Wales, and Northern Ireland: A UK Renal Registry Analysis. ˜The œNephron journals/Nephron journals. 146(5). 469–480. 7 indexed citations
10.
Kim, Lois G., David Prieto‐Merino, David C. Wheeler, et al.. (2022). Association between practice coding of chronic kidney disease (CKD) in primary care and subsequent hospitalisations and death: a cohort analysis using national audit data. BMJ Open. 12(10). e064513–e064513. 7 indexed citations
11.
Smeeton, Nigel, Amanda Busby, David Wellsted, et al.. (2021). Contributions of treatment centre and patient characteristics to patient-reported experience of haemodialysis: a national cross-sectional study. BMJ Open. 11(4). e044984–e044984. 5 indexed citations
12.
Evans, Katharine, et al.. (2018). The UK Renal Registry: making patient data matter. British Journal of Hospital Medicine. 79(5). 246–248.
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15.
Thomas, Helen, et al.. (2012). Incidence, Determinants, and Outcome of Chronic Kidney Disease After Adult Heart Transplantation in the United Kingdom. Transplantation. 93(11). 1151–1157. 41 indexed citations
16.
Steenkamp, Retha, Clare Castledine, & Terry Feest. (2012). Chapter 6 Survival and Causes of Death of UK Adult Patients on Renal Replacement Therapy in 2010: National and Centre-Specific Analyses. Nephron Clinical Practice. 120(s1). c105–c135. 22 indexed citations
17.
Steenkamp, Retha, et al.. (2010). UK ESRD prevalent rates in 2008: national and centre-specific analyses.. Nephron. 115. 9 indexed citations
18.
Ansell, David, Paul Roderick, Retha Steenkamp, & Charles Tomson. (2010). Chapter 7: Survival and Causes of Death of UK Adult Patients on Renal Replacement Therapy in 2008: national and centre-specific analyses. Nephron Clinical Practice. 115(1). c117–c144. 18 indexed citations
19.
20.
Ansell, David, et al.. (2007). Chronic Renal Failure in Kidney Transplant Recipients. Do They Receive Optimum Care?: Data from the UK Renal Registry. American Journal of Transplantation. 7(5). 1167–1176. 55 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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