Philip Ryan

12.3k total citations · 2 hit papers
165 papers, 9.3k citations indexed

About

Philip Ryan is a scholar working on Epidemiology, Surgery and Cardiology and Cardiovascular Medicine. According to data from OpenAlex, Philip Ryan has authored 165 papers receiving a total of 9.3k indexed citations (citations by other indexed papers that have themselves been cited), including 36 papers in Epidemiology, 25 papers in Surgery and 21 papers in Cardiology and Cardiovascular Medicine. Recurrent topics in Philip Ryan's work include Health Systems, Economic Evaluations, Quality of Life (20 papers), Orthopaedic implants and arthroplasty (15 papers) and Blood Pressure and Hypertension Studies (14 papers). Philip Ryan is often cited by papers focused on Health Systems, Economic Evaluations, Quality of Life (20 papers), Orthopaedic implants and arthroplasty (15 papers) and Blood Pressure and Hypertension Studies (14 papers). Philip Ryan collaborates with scholars based in Australia, United States and United Kingdom. Philip Ryan's co-authors include Nicole Pratt, Stephen E. Graves, Andrew J McPhee, Maria Makrides, Peng Bi, Amy Salter, Robert A. Gibson, David C. Davidson, Lisa N Yelland and Elizabeth E. Roughead and has published in prestigious journals such as New England Journal of Medicine, The Lancet and JAMA.

In The Last Decade

Philip Ryan

163 papers receiving 8.9k 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.

The Australian Orthopaedic Association National Joint Replacement Registry

2004 898 citations Stephen E. Graves, David C. Davidson et al. profile →
A Comparison of Outcomes with Angiotensin-Converting–Enzyme Inhibitors and Diuretics for Hypertension in the Elderly

2003 788 citations Christopher M. Reid, Philip Ryan et al. profile →

Peers

Countries citing papers authored by Philip Ryan

Since Specialization

Citations

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

Fields of papers citing papers by Philip Ryan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Philip Ryan

This figure shows the co-authorship network connecting the top 25 collaborators of Philip Ryan. A scholar is included among the top collaborators of Philip Ryan 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 Philip Ryan. Philip Ryan 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	P3.01-22 An Exploratory Analysis of PD-L1 Expression and Smoking History in a Cohort of Advanced Non-Small Cell Lung Cancer Patients 2018 ·Journal of Thoracic Oncology ·M. Decatris, Philippe Tanière, Mark P. Hayes, (unknown), (unknown), M. Kalkat, (unknown), (unknown), Aled O. Phillips, Philip Ryan, (unknown), (unknown)	1
2	The effect of iodine supplementation in pregnancy on early childhood neurodevelopment and clinical outcomes: results of an aborted randomised placebo-controlled trial 2015 ·Trials ·Shao J. Zhou, Sheila Skeaff, Philip Ryan, Lex W. Doyle, Peter J. Anderson, Louise Kornman, Andrew J McPhee, Lisa N Yelland, Maria Makrides	40
3	Propensity score matching and randomization 2015 ·Journal of Clinical Epidemiology ·George Mnatzaganian, David C. Davidson, Janet E. Hiller, Philip Ryan	23
4	Effect of increasing protein content of human milk fortifier on growth in preterm infants born at <31 wk gestation: a randomized controlled trial 2012 ·American Journal of Clinical Nutrition ·Jacqueline Miller, Maria Makrides, Robert A. Gibson, Andrew J McPhee, Ty Stanford, Scott A. Morris, Philip Ryan, Carmel T Collins	54
5	Perioperative mortality after hemiarthroplasty related to fixation method : a study based on the Australian Orthopaedic Association National Joint Replacement Registry 2011 ·Adelaide Research & Scholarship (AR&S) (University of Adelaide) ·(unknown), Sarah L. Whitehouse, Nicole Pratt, Stephen E. Graves, Philip Ryan, Ross Crawford	3
6	Different competing risks models applied to data from the Australian Orthopaedic Association National Joint Replacement Registry 2011 ·Acta Orthopaedica ·Marianne Gillam, Amy Salter, Philip Ryan, Stephen E. Graves	29
7	Trends in cancer mortality rates among migrants in Australia: 1981–2007 2011 ·Cancer Epidemiology ·Olga Anikeeva, Peng Bi, Janet E. Hiller, Philip Ryan, David Roder, Gil‐Soo Han	27
8	Early outcomes of patella resurfacing in total knee arthroplasty 2010 ·QUT ePrints (Queensland University of Technology) ·Warren Clements, Lisa Miller, Sarah L. Whitehouse, Stephen E. Graves, Philip Ryan, Ross Crawford	11
9	Use of health services and medicines amongst Australian war veterans: a comparison of young elderly, near centenarians and centenarians 2010 ·BMC Geriatrics ·Elizabeth E. Roughead, Lisa Kalisch Ellett, Emmae Ramsay, Philip Ryan, Andrew L. Gilbert	11
10	Factors associated with choice of antipsychotic treatment in elderly veterans: potential confounders for observational studies 2010 ·Australian and New Zealand Journal of Public Health ·Nicole Pratt, Elizabeth E. Roughead, Amy Salter, Philip Ryan	4
11	Neurodevelopmental Outcomes of Preterm Infants Fed High-Dose Docosahexaenoic Acid 2009 ·JAMA ·Maria Makrides, Robert A. Gibson, Andrew J McPhee, Carmel T Collins, Peter G. Davis, Lex W. Doyle, Karen Simmer, Paul B. Colditz, Scott A. Morris, Lisa G. Smithers, Kristyn Willson, Philip Ryan	13
12	Medication adherence, first episode duration, overall duration and time without therapy: the example of bisphosphonates 2008 ·Pharmacoepidemiology and Drug Safety ·Elizabeth E. Roughead, Emmae Ramsay, (unknown), John D. Barratt, Philip Ryan, Andrew L. Gilbert	16
13	Factors associated with persistent risk of depression in older people following discharge from an acute cardiac unit 2008 ·International Psychogeriatrics ·Angela Hammond, Song Yu, (unknown), (unknown), (unknown), Philip Ryan, Renuka Visvanathan	9
14	Tobacco and alcohol‐related mortality in men: estimates from the Australian cohort of petroleum industry workers 2006 ·Australian and New Zealand Journal of Public Health ·Richard Gun, Nicole Pratt, Philip Ryan, Ian Gordon, David Roder	11
15	Predictors of Failure to Initiate Randomized Treatment in a Large Trial of Antihypertensive Drug Therapy in the Aged 2005 ·American Journal of Hypertension ·Mark Nelson, Philip Ryan, Kristyn Willson, Christopher M. Reid, Lawrence J. Beilin, Garry Jennings, Colin I. Johnston, Graham Macdonald, John Marley, John J. McNeil	1
16	Clinical, psychosocial, and economic effects of antenatal day care for three medical complications of pregnancy: a randomised controlled trial of 395 women 2004 ·The Lancet ·Deborah Turnbull, Chris Wilkinson, Karen Gerard, Marian Shanahan, Philip Ryan, Elizabeth C. Griffith, (unknown), Georgina E. Stamp	26
17	Metabolic genotypes and risk for colorectal cancer 2001 ·Journal of Gastroenterology and Hepatology ·(unknown), Philip Ryan, Ian C. Roberts‐Thomson	73
18	The medical management of masseteric hypertrophy with botulinum toxin. 2000 ·PubMed ·Stephen P. Finn, Philip Ryan, D. P. Sleeman	9
19	Carbon monoxide exposures in Australian workplaces could precipitate myocardial ischaemia in smoking workers with coronary artery disease 1998 ·Australian and New Zealand Journal of Public Health ·(unknown), Richard Gun, Philip Ryan	5
20	Risk factors for tumors of the brain and meninges: Results from the Adelaide adult brain tumor study 1992 ·International Journal of Cancer ·Philip Ryan, (unknown), J. B. North, Anthony J. McMichael	152

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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