Andrew R. Willan

25.6k total citations · 6 hit papers
264 papers, 17.4k citations indexed

About

Andrew R. Willan is a scholar working on Economics and Econometrics, Pediatrics, Perinatology and Child Health and Statistics and Probability. According to data from OpenAlex, Andrew R. Willan has authored 264 papers receiving a total of 17.4k indexed citations (citations by other indexed papers that have themselves been cited), including 72 papers in Economics and Econometrics, 57 papers in Pediatrics, Perinatology and Child Health and 45 papers in Statistics and Probability. Recurrent topics in Andrew R. Willan's work include Health Systems, Economic Evaluations, Quality of Life (66 papers), Statistical Methods in Clinical Trials (36 papers) and Maternal and Perinatal Health Interventions (33 papers). Andrew R. Willan is often cited by papers focused on Health Systems, Economic Evaluations, Quality of Life (66 papers), Statistical Methods in Clinical Trials (36 papers) and Maternal and Perinatal Health Interventions (33 papers). Andrew R. Willan collaborates with scholars based in Canada, United States and Australia. Andrew R. Willan's co-authors include Mary E. Hannah, Sheila Hewson, Ellen Hodnett, Walter J. Hannah, Andrew Briggs, Saroj Saigal, Simon Eckermann, Gordon Guyatt, Jeffrey S. Hoch and Amiram Gafni and has published in prestigious journals such as New England Journal of Medicine, The Lancet and JAMA.

In The Last Decade

Andrew R. Willan

258 papers receiving 16.5k 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.

Planned caesarean section versus planned vaginal birth for breech presentation at term: a randomised multicentre trial

2000 1.3k citations Mary E. Hannah, Walter J. Hannah et al. profile →
A Longitudinal, Population-Based, Cohort Study of Childhood Asthma Followed to Adulthood

2003 935 citations Andrew R. Willan et al. New England Journal of Medicine profile →
A Comparison of Low-Molecular-Weight Heparin Administered Primarily at Home with Unfractionated Heparin Administered in the Hospital for Proximal Deep-Vein Thrombosis

1996 872 citations Andrew R. Willan et al. New England Journal of Medicine profile →
Risk Factors for Gastrointestinal Bleeding in Critically Ill Patients

1994 636 citations Andrew R. Willan et al. New England Journal of Medicine profile →
Chemotherapy can prolong survival in patients with advanced non-small-cell lung cancer--report of a Canadian multicenter randomized trial.

1988 544 citations Andrew R. Willan et al. Journal of Clinical Oncology profile →
A Randomized Trial of Planned Cesarean or Vaginal Delivery for Twin Pregnancy

2013 294 citations Jon Barrett, Mary E. Hannah et al. New England Journal of Medicine profile →

Peers

Countries citing papers authored by Andrew R. Willan

Since Specialization

Citations

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

Fields of papers citing papers by Andrew R. Willan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Andrew R. Willan. 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 Andrew R. Willan. The network helps show where Andrew R. Willan may publish in the future.

Co-authorship network of co-authors of Andrew R. Willan

This figure shows the co-authorship network connecting the top 25 collaborators of Andrew R. Willan. A scholar is included among the top collaborators of Andrew R. Willan 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 Andrew R. Willan. Andrew R. Willan 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	Active Lives South Australia health economic analysis: an evidence base for the potential of health promotion strategies supporting physical activity guidelines to reduce public health costs while improving wellbeing 2021 ·Journal of Public Health ·Simon Eckermann, Andrew R. Willan	4
2	Robust cross-country comparison of children meeting 24-HR movement guidelines: an odds solution for binary effect efficiency measures 2021 ·Journal of Public Health ·Simon Eckermann, Andrew R. Willan, Anthony D. Okely, Mark S. Tremblay, Tim Coelli	2
3	The minimally effective dose of sucrose for procedural pain relief in neonates: a randomized controlled trial 2018 ·BMC Pediatrics ·Bonnie Stevens, Janet Yamada, Marsha Campbell‐Yeo, Sharyn Gibbins, Denise Harrison, (unknown), Anna Taddio, Carol McNair, Andrew R. Willan, Marilyn Ballantyne, Kimberley Widger, Souraya Sidani, Carole A. Estabrooks, Anne Synnes, Janet E. Squires, Charles Victor, (unknown)	71
4	Oral Ondansetron Administration to Nondehydrated Children With Diarrhea and Associated Vomiting in Emergency Departments in Pakistan: A Randomized Controlled Trial 2018 ·Annals of Emergency Medicine ·Stephen B. Freedman, Sajid Soofi, Andrew R. Willan, Sarah Williamson-Urquhart, (unknown), Jianling Xie, Fady Dawoud, Zulfiqar A Bhutta	7
5	Integrated collaborative care teams to enhance service delivery to youth with mental health and substance use challenges: protocol for a pragmatic randomised controlled trial 2017 ·BMJ Open ·Joanna Henderson, Amy Cheung, Kristin Cleverley, Gloria Chaim, Myla E. Moretti, Claire de Oliveira, Lisa D. Hawke, Andrew R. Willan, David O’Brien, (unknown), (unknown), (unknown), Heather McDonald, (unknown), Péter Szatmári	74
6	Twin Birth Study Collaborative Group. Maternal outcomes at 3 months after planned caesarean section versus planned vaginal birth for twin pregnancies in the Twin Birth Study: a randomised controlled trial. 2015 ·Data Archiving and Networked Services (DANS) ·Arne Ohlsson, (unknown), Andrew R. Willan, A C Allen, B. Anthony Armson, A. Gafni, Kathryn Mangoff, Johanna Sanchez, (unknown)	2
7	Using Value-of-Information Methods when the Disease Is Rare and the Treatment Is Expensive—The Example of Hemophilia A 2014 ·Journal of General Internal Medicine ·(unknown), Lusine Abrahamyan, Andrew R. Willan, Joseph Beyene, M. McLimont, Victor S. Blanchette, Brian M. Feldman	12
8	Statistical Analysis of Cost-Effectiveness Data. 2013 ·(unknown), Andrew R. Willan, (unknown)	105
9	A Randomized Trial of Planned Cesarean or Vaginal Delivery for Twin Pregnancy breakdown → 2013 ·New England Journal of Medicine ·Jon Barrett, Mary E. Hannah, Eileen K. Hutton, Andrew R. Willan, Alexander C. Allen, B. Anthony Armson, Amiram Gafni, K.S. Joseph, Dalah Mason, Arne Ohlsson, Susan Ross, Johanna Sanchez, Elizabeth Asztalos	294
10	Clinical inertia in patients with T2DM requiring insulin in family practice. 2010 ·PubMed ·Stewart B. Harris, (unknown), (unknown), Andrew R. Willan, (unknown)	108
11	Multiple Courses of Antenatal Corticosteroids for Preterm Birth (MACS): A Randomized Controlled Trial 2009 ·Obstetrical & Gynecological Survey ·Kellie E. Murphy, Mary E. Hannah, Andrew R. Willan, Sheila Hewson, Arne Ohlsson, Edmond Kelly, Stephen G. Matthews, Saroj Saigal, Elizabeth Asztalos, Susan Ross, Marie‐France Delisle, Kofi Amankwah, Patricia Guselle, Amiram Gafni, Shoo K. Lee, Anthony Armson	1
12	Expected value of information and decision making in HTA 2007 ·Research Online (University of Wollongong) ·Simon Eckermann, Andrew R. Willan	0
13	Conducting economic evaluations alongside multinational clinical trials: Toward a research consensus 2005 ·American Heart Journal ·Shelby D. Reed, Kevin J. Anstrom, Ameet Bakhai, Andrew Briggs, Robert M. Califf, David J. Cohen, Michael Drummond, Henry A. Glick, Ari Gnanasakthy, Mark A. Hlatky, Bernie J. OʼBrien, Frank M. Torti, Anastasios A. Tsiatis, Andrew R. Willan, Daniel B. Mark, Kevin A. Schulman	63
14	Factors associated with adverse perinatal outcome in the Term Breech Trial 2003 ·American Journal of Obstetrics and Gynecology ·Min Su, Lynne McLeod, Susan Ross, Andrew R. Willan, Walter J. Hannah, Eileen K. Hutton, Sheila Hewson, Mary E. Hannah	70
15	Treatment outcomes for squamous intraepithelial lesions 1999 ·International Journal of Gynecology & Obstetrics ·James Nuovo, Joy Melnikow, Andrew R. Willan, Benjamin Chan	80
16	Induction of labour versus expectant management for prelabour rupture of the membranes at term: an economic evaluation. TERMPROM Study Group. Term Prelabour Rupture of the Membranes. 1997 ·PubMed ·Amiram Gafni, Ron Goeree, Terri L. Myhr, Mary E. Hannah, Gordon Blackhouse, Andrew R. Willan, Julie Weston, (unknown), Ellen Hodnett, Sheila Hewson, Dan Farine, Arne Ohlsson	30
17	Maternal colonization with group B Streptococcus and prelabor rupture of membranes at term: The role of induction of labor 1997 ·American Journal of Obstetrics and Gynecology ·Mary E. Hannah, Arne Ohlsson, Elaine E. L. Wang, Anne Matlow, Gary Foster, Andrew R. Willan, Ellen Hodnett, Julie Weston, Dan Farine, P. Gareth R. Seaward	45
18	The prognosis for live birth among untreated infertile couples 1995 ·Fertility and Sterility ·John A. Collins, Elizabeth Burrows, Andrew R. Willan	248
19	A program to enhance clinical use of MEDLINE. A randomized controlled trial. 1993 ·PubMed ·R. Brian Haynes, (unknown), K. Ann McKibbon, C J Walker, Andrew R. Willan	34
20	Improved survival in patients with poor-prognosis malignant melanoma treated with adjuvant levamisole: a phase III study by the National Cancer Institute of Canada Clinical Trials Group. 1991 ·Journal of Clinical Oncology ·Ian Quirt, W Shelley, Joe Pater, A. Bodurtha, (unknown), T. A. McPherson, Alexander Paterson, Ross L. Prentice, H. Silver, Andrew R. Willan	58

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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