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Irene Petersen

Active 1999–2025

119
Papers
20,487
Citations
68
h-index
111
i10-index

Citations

Citations per year for Irene Petersen1968: 1 citations2000: 3 citations2001: 6 citations2002: 6 citations2004: 4 citations2005: 3 citations2006: 6 citations2007: 14 citations2008: 30 citations2009: 32 citations2010: 42 citations2011: 36 citations2012: 54 citations2013: 73 citations2014: 88 citations2015: 115 citations2016: 170 citations2017: 185 citations2018: 178 citations2019: 680 citations2020: 774 citations2021: 759 citations2022: 692 citations2023: 483 citations2024: 897 citations2025: 383 citations2026: 13 citations1969–1999: no citations, so these years are not shown2003: no citations, so this year is not shown

Citation sources

Countries

World map of the countries and regions citing this authorUnited Kingdom: 1,743 citing papers, 18.6% of this breakdownUnited States: 1,530 citing papers, 16.4% of this breakdownCanada: 673 citing papers, 7.2% of this breakdownAustralia: 435 citing papers, 4.7% of this breakdownGermany: 425 citing papers, 4.5% of this breakdownChina: 420 citing papers, 4.5% of this breakdownNetherlands: 353 citing papers, 3.8% of this breakdownDenmark: 292 citing papers, 3.1% of this breakdownItaly: 291 citing papers, 3.1% of this breakdownFrance: 288 citing papers, 3.1% of this breakdownSweden: 274 citing papers, 2.9% of this breakdownSpain: 214 citing papers, 2.3% of this breakdown
0%18.6%Other 25.8%

Institutions

Fields

  • Medicine68.7%
  • Biochemistry, Genetics and Molecular Biology6.5%
  • Psychology4.4%
  • Health Professions4.2%
  • Neuroscience2.9%
  • Immunology and Microbiology2.8%
  • Other10.5%

Topics

  • Schizophrenia research and treatment2%
  • Dementia and Cognitive Impairment Research1.7%
  • Parkinson's Disease Mechanisms and Treatments1.5%
  • Maternal Mental Health During Pregnancy and Postpartum1.2%
  • Chronic Disease Management Strategies1.1%
  • Machine Learning in Healthcare1%
  • Other91.5%

Coauthors

All papers

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  1. The REporting of studies Conducted using Observational Routinely-collected health Data (RECORD) Statement

    Authors: Eric I. Benchimol, Liam Smeeth, Astrid Guttmann, Katie Harron, David Moher, Irene Petersen, Henrik Toft Sørensen, Erik von Elm, Sinéad Langan - PLoS Medicine 2015 cited by 5,289

  2. Missing data and multiple imputation in clinical epidemiological research

    Authors: Alma B Pedersen, Ellen M. Mikkelsen, Deirdre Cronin‐Fenton, Nickolaj Risbo Kristensen, Tra My Pham, Lars Pedersen, Irene Petersen - Clinical Epidemiology 2017 cited by 1,035

  3. The reporting of studies conducted using observational routinely collected health data statement for pharmacoepidemiology (RECORD-PE)

    Authors: Sinéad Langan, Sigrún Alba Jóhannesdóttir Schmidt, Kevin Wing, Véra Ehrenstein, Stuart G. Nicholls, Kristian B. Filion, Olaf H. Klungel, Irene Petersen, Henrik Toft Sørensen, William G Dixon, Astrid Guttmann, Katie Harron, Lars G. Hemkens, David Moher, Sebastian Schneeweiß, Liam Smeeth, Miriam Sturkenboom, Erik von Elm, Shirley Wang, Eric I. Benchimol - BMJ 2018 cited by 620

  4. Prediagnostic presentations of Parkinson's disease in primary care: a case-control study

    Authors: Anette Schrag, Laura Horsfall, Kate Walters, Alastair J. Noyce, Irene Petersen - The Lancet Neurology 2014 cited by 666

  5. Self controlled case series methods: an alternative to standard epidemiological study designs

    Authors: Irene Petersen, Ian Douglas, Heather Whitaker - BMJ 2016 cited by 526

  6. Autism in England: assessing underdiagnosis in a population-based cohort study of prospectively collected primary care data

    Authors: Elizabeth O’Nions, Irene Petersen, Joshua E. J. Buckman, Rebecca A. Charlton, Claudia Cooper, Anne Corbett, Francesca Happé, Jill Manthorpe, Marcus Richards, Rob Saunders, Cathy Zanker, William Mandy, Joshua Stott - The Lancet Regional Health - Europe 2023 cited by 186

  7. Mild cognitive impairment and progression to dementia in people with diabetes, prediabetes and metabolic syndrome: a systematic review and meta-analysis

    Authors: Kingshuk Pal, Naaheed Mukadam, Irene Petersen, Claudia Cooper - Social Psychiatry and Psychiatric Epidemiology 2018 cited by 287

  8. Do men consult less than women? An analysis of routinely collected UK general practice data

    Authors: Yingying Wang, Kate Hunt, Irwin Nazareth, Nick Freemantle, Irene Petersen - BMJ Open 2013 cited by 614

  9. Grading of Chronic Synovitis — A Histopathological Grading System for Molecular and Diagnostic Pathology

    Authors: Veit Krenn, Lars Morawietz, Thomas Häupl, J. Neidel, Irene Petersen, A. König - Pathology - Research and Practice 2002 cited by 323

  10. Systematic review with meta‐analysis: Time to diagnosis and the impact of delayed diagnosis on clinical outcomes in inflammatory bowel disease

    Authors: Nishani Jayasooriya, Samantha Baillie, Jonathan Blackwell, Alex Bottle, Irene Petersen, Hanna Creese, Sonia Saxena, Richard Pollok, POP‐IBD study group - Alimentary Pharmacology & Therapeutics 2023 cited by 159

  11. Drug-induced orthostatic hypotension: A systematic review and meta-analysis of randomised controlled trials

    Authors: Cini Bhanu, Danielle Nimmons, Irene Petersen, Mine Orlu, Daniel Davis, Hajra Hussain, Sanuri Magammanage, Kate Walters - PLoS Medicine 2021 cited by 110

  12. Prevalence of Perinatal Depression and Anxiety in Both Parents

    Authors: Kara L. Smythe, Irene Petersen, Patricia Schartau - JAMA Network Open 2022 cited by 123

  13. The prevalence of polycystic ovary syndrome in reproductive-aged women of different ethnicity: a systematic review and meta-analysis

    Authors: Tao Ding, Paul Hardiman, Irene Petersen, Fangfang Wang, Fan Qu, Gianluca Baio - Oncotarget 2017 cited by 338

  14. Ethnic Differences in the Prevalence of Type 2 Diabetes Diagnoses in the UK: Cross-Sectional Analysis of the Health Improvement Network Primary Care Database

    Authors: Tra My Pham, James R. Carpenter, Tim P. Morris, Manuj Sharma, Irene Petersen - Clinical Epidemiology 2019 cited by 143

  15. Predicting dementia risk in primary care: development and validation of the Dementia Risk Score using routinely collected data

    Authors: Kate Walters, Sarah Hardoon, Irene Petersen, Steve Iliffe, Rumana Omar, Irwin Nazareth, Greta Rait - BMC Medicine 2016 cited by 143

  16. Cardiovascular Risk Prediction Models for People With Severe Mental Illness

    Authors: David Osborn, Sarah Hardoon, Rumana Omar, Richard I. G. Holt, Michael King, John Larsen, Louise Marston, Richard Morris, Irwin Nazareth, Kate Walters, Irene Petersen - JAMA Psychiatry 2014 cited by 202

  17. Prescribing of antipsychotics in UK primary care: a cohort study

    Authors: Louise Marston, Irwin Nazareth, Irene Petersen, Kate Walters, David Osborn - BMJ Open 2014 cited by 195

  18. Prevalence of long-term oral glucocorticoid prescriptions in the UK over the past 20 years

    Authors: L. Fardet, Irene Petersen, Irwin Nazareth - Lara D. Veeken 2011 cited by 306

  19. Trends in incidence, prevalence and prescribing in type 2 diabetes mellitus between 2000 and 2013 in primary care: a retrospective cohort study

    Authors: Manuj Sharma, Irwin Nazareth, Irene Petersen - BMJ Open 2016 cited by 293

  20. Trends in dementia diagnosis rates in UK ethnic groups: analysis of UK primary care data

    Authors: Tra My Pham, Irene Petersen, Kate Walters, Rosalind Raine, Jill Manthorpe, Naaheed Mukadam, Claudia Cooper - Clinical Epidemiology 2018 cited by 157

  21. Quantifying the impact of unmeasured confounding in observational studies with the E value

    Authors: Tobias Gaster, Christine Marie Eggertsen, Henrik Støvring, Véra Ehrenstein, Irene Petersen - BMJ Medicine 2023 cited by 69

  22. Depression in individuals who subsequently develop inflammatory bowel disease: a population-based nested case–control study

    Authors: Jonathan Blackwell, Sonia Saxena, Irene Petersen, Matthew Hotopf, Hanna Creese, Alex Bottle, Christopher Alexakis, Richard Pollok - Gut 2020 cited by 68

  23. Prevalence and Duration of Gastrointestinal Symptoms Before Diagnosis of Inflammatory Bowel Disease and Predictors of Timely Specialist Review: A Population-Based Study

    Authors: Jonathan Blackwell, Sonia Saxena, Nishani Jayasooriya, Alex Bottle, Irene Petersen, Matthew Hotopf, Chris Alexakis, R Pollok - Journal of Crohn s and Colitis 2020 cited by 64

  24. Mortality following bacteraemic infection caused by extended spectrum beta-lactamase (ESBL) producing E. coli compared to non-ESBL producing E. coli

    Authors: Mark Melzer, Irene Petersen - Journal of Infection 2007 cited by 295