The Health Improvement Network (THIN) research team

UCL and associated staff publications

• 2012
  
• 2011
• 2010
• 2009
• 2008
• 2007
• 2006

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Primary care Database User Group (PDUG) Presentations

Picture courtesy of Artform Canada

More information on the primary care database user group is available from our events pages. 

• Using free text in primary care research - Anoop Shah (UCL, Department of Epidemiology and Public Health, April 2013)
  
• Avoiding bias in linked routine healthcare data - Katie Harron (UCL Institute of Child Health, December 2012)
• REporting of studies Conducted using Observational Routinely-collected Data (RECORD) initiative - Dr Sinéad Langan (LSHTM, October 2012)
• Role of Epidemiology in Drug Safety: Regulatory Perspective - Dr Tarek Hammad (US FDA; September 2012)
• Use of patient identifiable (PI) information for data linkage for research into neural tube defects in ethnic communities - Jordana Peake (July 2012)
• Maltreatment-related concerns recorded in children's primary care health records - Jenny Woodman (July 2012)

• Evaluating tobacco control policies using time series analysis: examples and reflections - Lisa Szatkowski and Tessa Langley (June 2012)

• An introduction to Hospital Episode System (HES) data - Pia Hardelid (March 2012)
• Is weekend hospitalization associated with an additional risk of death? - Nick Freemantle (March 2012)
• Validating codes in HES - Ruth Gilbert (March 2012)
• Two stage method to remove population and individual level outliers from longitudinal data in a primary care database - Cathy Welch (2011)
• Prevalence and patterns of long-term prophylactic antibiotic use in COPD - Gareth James (2011)
• Regional differences in the incidence of myocardial infarction and case fatality across the UK: have inequalities improved in recent years? - Alisha Davies (2008)
• Selecting appropriate controls: an example using the panic & IHD study - Kate Walters & Rachael Williams (2007)
• The Health Improvement Network (THIN) database - Fiona Hill (2007)
• Tuberculosis from a primary care perspective: an analysis of patient patient-GP consultations prior to a diagnosis of TB using the GPRD - Sarah Anderson (2006)
• A case only design to overcome confounding and selection bias - Liam Smeeth (2006)
• Recent trends in the incidence of myocardial infarction and the relation to trends in coronary risk factors - Sarah Hardoon (2006)
• Exploring the physical health and management of people with severe mental illness in the General Practice Research Database – David Osborn (2006)
• Trends in angiotensin II receptor blocker (ARB) prescribing among General Practitioners and the antihypertensive drug budget impact of the ARBsin the UK - Betina Thordal Blak (2006)
• Prepartum use of oral antibiotics - Hooi-Kuan Tan & Ruth Gilbert (2006)
• Exploring the contribution of general practice to the management of sexual health in the UK - Cath Mercer & Hannah Evans (2006)
• The General Practice Research Database (GPRD) - Arlene Gallagher & John Parkinson (2006)

2012 posters

• Assessing the completeness of maternity data in UK primary and secondary care: a study in The Health Improvement Network (THIN) and Hospital Episode Statistics (HES) - Shuk-Li Man, Irene Petersen, Irwin Nazareth, Alison Bourke & Mary Thompson (PDF 0.4Mb) Presented at the Annual European ISPOR congress 2012 (Berlin)
• Recording of child maltreatment in primary care: a mixed methods approach - Jenny Woodman, Ruth Gilbert, Marian Brandon, Janice Allister & Irene Petersen (PDF 0.2 Mb) Presented at the Primary Care Database Symposium 2012 (London)

• Smoker, ex-smoker, or non-smoker? Recording of smoking status in UK primary care - Louise Marston, James Carpenter, Kate Walters, Richard Morris, Irwin Nazareth, Ian White & Irene Petersen (PDF 0.1Mb) Presented at Population Health conference 2012 (Birmingham)

2011 posters

• Prescribing patterns of antiepileptic drugs in pregnancy - Shuk-Li Man, Irene Petersen, Mary Thompson & Irwin Nazareth (PDF 0.4Mb) Presented at SAPC 2011 & EuroDURG 2011

• Chronic medical conditions influence prescribing of antibiotics in pregnancy - Wilhelmine Meeraus, Irene Petersen & Ruth Gilbert (PDF 0.3 Mb) Presented at SAPC 2011 & ISPE 2011

• Pregnancy and prescribed psychotropic medication - Irene Petersen, Ruth Gilbert, Stephen Evans & Irwin Nazareth (PDF 0.2Mb) Presented at SAPC 2011

• Incidence of childhood depression and antidepressants in the UK - Linda Wijlaars, Irwin Nazareth & Irene Petersen (PDF 0.4 Mb) Presented at SAPC 2011

• Recording of child maltreatment - Jenny Woodman, Ruth Gilbert, Janice Allister, Simon de Lusignan, Imran Rafi & Irene Petersen (PDF 0.4Mb) Presented at SAPC 2011
• Trends in antidepressant prescribing in children in the United Kingdom - Linda Wijlaars, Irwin Nazareth & Irene Petersen (PDF 0.4Mb) Presented at EuroDURG 2011
• Longitudinal changes in the rate and mean age of incidence and prevalence of COPD in the UK, 2000 - 2009 - Gareth James, Irene Petersen, Gavin Donaldson, Jadwiga Wedzicha (PDF 0.2Mb). Presented at the BTS Winter Meeting 2011

2010 Posters

• Missing data in primary care databases; Problems and a possible solution - Louise Marston, James Carpenter, Kate Walters, Richard Morris, Irwin Nazareth, Irene Petersen (PDF 0.1Mb) Presented at ISPE 2010

 Picture courtesy of Pranjal Mahna

Data management and methods presentations

• Dates using STATA - Irene Petersen 
• Factor analysis - Julia Tchernova
• Use of GEEs in STATA
• Time-saving tips for handling multiple data in STATA
• Causal graphs and propensity scores - Christian Bottomley
• Confounders and covariates: a discussion - Richard Morris
• STATA graphs - Tim Collier
• Looping in Stata plus some basic programming commands - Tim Collier and Mona Abdalla
• Clinical recording of data in UK general practice - Greta Rait
• Consequences of code selection - Irene Petersen
• Case series studies: rationale, design and analysis - Heather Whitaker
• Estimating causal effects using marginal structural models - Jonathan Sterne
• Missing data - Louise Marston (2009)
• Propensity scores - Ian Douglas