| The REporting of studies Conducted using Observational Routinely-collected health Data (RECORD) statement EI Benchimol, L Smeeth, A Guttmann, K Harron, D Moher, I Petersen, ... PLoS Med 12 (10), e1001885, 2015 | 1576 | 2015 |
| Relative risk of cardiovascular and cancer mortality in people with severe mental illness from the United Kingdom's General Practice Research Database DPJ Osborn, G Levy, I Nazareth, I Petersen, A Islam, MB King Archives of general psychiatry 64 (2), 242-249, 2007 | 698 | 2007 |
| Prediagnostic presentations of Parkinson's disease in primary care: a case-control study A Schrag, L Horsfall, K Walters, A Noyce, I Petersen The Lancet Neurology 14 (1), 57-64, 2015 | 406 | 2015 |
| Do men consult less than women? An analysis of routinely collected UK general practice data Y Wang, K Hunt, I Nazareth, N Freemantle, I Petersen BMJ open 3 (8), 2013 | 388 | 2013 |
| Missing data and multiple imputation in clinical epidemiological research AB Pedersen, EM Mikkelsen, D Cronin-Fenton, NR Kristensen, TM Pham, ... Clinical epidemiology 9, 157, 2017 | 369 | 2017 |
| Protective effect of antibiotics against serious complications of common respiratory tract infections: retrospective cohort study with the UK General Practice Research Database I Petersen, AM Johnson, A Islam, G Duckworth, DM Livermore, ... Bmj 335 (7627), 982, 2007 | 347 | 2007 |
| The incidence of eating disorders in the UK in 2000–2009: findings from the General Practice Research Database N Micali, KW Hagberg, I Petersen, JL Treasure BMJ open 3 (5), 2013 | 340 | 2013 |
| Dispersal of adult aquatic insects in catchments of differing land use I Petersen, Z Masters, AG Hildrew, SJ Ormerod Journal of Applied Ecology 41 (5), 934-950, 2004 | 305 | 2004 |
| Mortality following bacteraemic infection caused by extended spectrum beta-lactamase (ESBL) producing E. coli compared to non-ESBL producing E. coli M Melzer, I Petersen Journal of Infection 55 (3), 254-259, 2007 | 299 | 2007 |
| Trends in incidence, prevalence and prescribing in type 2 diabetes mellitus between 2000 and 2013 in primary care: a retrospective cohort study M Sharma, I Nazareth, I Petersen BMJ open 6 (1), 2016 | 257 | 2016 |
| Prevalence of long-term oral glucocorticoid prescriptions in the UK over the past 20 years L Fardet, I Petersen, I Nazareth Rheumatology 50 (11), 1982-1990, 2011 | 237 | 2011 |
| Guillain-Barré syndrome and preceding infection with campylobacter, influenza and Epstein-Barr virus in the general practice research database CC Tam, SJ O'Brien, I Petersen, A Islam, A Hayward, LC Rodrigues PloS one 2 (4), e344, 2007 | 234 | 2007 |
| Selective serotonin reuptake inhibitors and risk for major congenital anomalies H Malm, M Artama, M Gissler, A Ritvanen Obstetrics & Gynecology 118 (1), 111-120, 2011 | 228 | 2011 |
| Survival of people with clinical diagnosis of dementia in primary care: cohort study G Rait, K Walters, C Bottomley, I Petersen, S Iliffe, I Nazareth Bmj 341, 2010 | 224 | 2010 |
| Incidence of maternal and paternal depression in primary care: a cohort study using a primary care database S Davé, I Petersen, L Sherr, I Nazareth Archives of pediatrics & adolescent medicine 164 (11), 1038-1044, 2010 | 217 | 2010 |
| Emergence and lateral dispersal of adult Plecoptera and Trichoptera from Broadstone Stream, UK I Petersen, JH Winterbottom, S Orton, N Friberg, AG Hildrew, DC Spiers, ... Freshwater Biology 42 (3), 401-416, 1999 | 214 | 1999 |
| Suicidal behavior and severe neuropsychiatric disorders following glucocorticoid therapy in primary care L Fardet, I Petersen, I Nazareth American Journal of Psychiatry 169 (5), 491-497, 2012 | 194 | 2012 |
| Serum bilirubin and risk of respiratory disease and death LJ Horsfall, G Rait, K Walters, DM Swallow, SP Pereira, I Nazareth, ... Jama 305 (7), 691-697, 2011 | 193 | 2011 |
| Recent trends in the incidence of recorded depression in primary care G Rait, K Walters, M Griffin, M Buszewicz, I Petersen, I Nazareth The British Journal of Psychiatry 195 (6), 520-524, 2009 | 175 | 2009 |
| Making inferences on treatment effects from real world data: propensity scores, confounding by indication, and other perils for the unwary in observational research N Freemantle, L Marston, K Walters, J Wood, MR Reynolds, I Petersen Bmj 347, 2013 | 171 | 2013 |
Andrew HaywardUCL Institute of Epidemiology and Health CareVerified email at ucl.ac.uk
