Overview
I have a track record of research in applied statistical fields: meta-analysis, statistical image analysis and epidemiology.
My latest activities mainly related to children's health research projects.
Biography
Education and qualification
2011: PhD on Biomathematics, University of Edinburgh, Edinburgh, UK
1994: MSc on Physics (Physicist), University of Debrecen, Debrecen, Hungary
Career overview
2014 - present: Research Associate, Cardiff University Medical School
2013 - 2014: Reserach Assistant, Cardiff University Medical School
2012 - 2013: Statistician, Cardiff University Medical School
2007 - 2011: PhD student, University of Edinburgh
2000 - 2007: Market research data analyst, Market Response Hungary Ltd., Hungary
1996 - 1999: Quality assurance project engineeer, Philip Morris Eger Tobacco Factory Ltd., Hungary
1995 - 1996: Network engineer, Computer Centre of Medical School, University of Debrecen, Hungary
1994 - 1995: Researcher, Nuclear Research Institute, Debrecen, Hungary
Academic positions
2014 - present: Research Associate, Cardiff University Medical School
2013 - 2014: Reserach Assistant, Cardiff University Medical School
2012 - 2013: Statistician, Cardiff University Medical School
2007 - 2011: PhD student, University of Edinburgh
Publications
2021
- Trefan, L. et al. 2021. Visualisation and optimisation of alcohol-related hospital admission ICD-10 codes in Welsh e-cohort data. International Journal of Population Data Science 6(1), article number: 9. (10.23889/ijpds.v6i1.1373)
2020
- Greene, G., Gartner, A., Farewell, D., Trefan, L., Davies, A. R., Bellis, M. A. and Paranjothy, S. 2020. Mental health selection: common mental disorder and migration between multiple states of deprivation in a UK cohort. BMJ Open 10(2), article number: e033238. (10.1136/bmjopen-2019-033238)
2019
- Gartner, A., Trefan, L., Moore, S., Akbari, A., Paranjothy, S. and Farewell, D. 2019. Drinking beer, wine or spirits - does it matter for inequalities in alcohol-related hospital admission? A record-linked longitudinal study in Wales. BMC Public Health 19, article number: 1651. (10.1186/s12889-019-8015-3)
- Trefan, L., Gartner, A., Alcock, A., Farewell, D., Fone, D. and Paranjothy, S. 2019. Epidemiology of alcohol-related emergency hospital admissions in children and adolescents: an e-cohort analysis in Wales in 2006-2011. PLoS ONE 14(6), article number: e0217598. (10.1371/journal.pone.0217598)
- Trefan, L. et al. 2019. Electronic Longitudinal Alcohol Study in Communities (ELAStiC) Wales - protocol for platform development. International Journal of Population Data Science 4(1), article number: 14. (10.23889/ijpds.v4i1.581)
2018
- Trefan, L., Harris, C., Evans, S., Nuttall, D., Maguire, S. and Kemp, A. 2018. A comparison of four different imaging modalities - conventional, cross polarized, infra-red and ultra-violet in the assessment of childhood bruising. Journal of Forensic and Legal Medicine 59, pp. 30-35. (10.1016/j.jflm.2018.07.015)
- Gartner, A., Farewell, D., Greene, G., Trefan, L., Davies, A., Fone, D. and Paranjothy, S. 2018. Does selective migration alter socioeconomic inequalities in mortality in Wales?: a record-linked total population e-cohort study. SSM - Population Health 5, pp. 48-54. (10.1016/j.ssmph.2018.05.004)
- Bowden, B., John, A., Trefan, L., Morgan, J., Farewell, D. and Fone, D. 2018. Risk of suicide following an alcohol-related emergency hospital admission: an electronic cohort study of 2.8 million people. PLoS ONE 13(4), article number: e0194772. (10.1371/journal.pone.0194772)
- Harris, C., Alcock, A., Trefan, L., Nuttall, D., Evans, S., Maguire, S. and Kemp, A. 2018. Optimising the measurement of bruises in children across conventional and cross polarized images using segmentation analysis techniques in Image J, Photoshop and circle diameter measurements. Journal of Forensic and Legal Medicine 54, pp. 114-120. (10.1016/j.jflm.2017.12.020)
2017
- Fadell, M., Miller, A., Trefan, L., Weinman, J., Stewart, J., Hayes, K. and Maguire, S. 2017. Radiological features of healing in newborn clavicular fractures. European Radiology 27(5), pp. 2180-2187. (10.1007/s00330-016-4569-y)
- Moore, S. C. et al. 2017. The ELAStiC (Electronic Longitudinal Alcohol Study in Communities) project. International Journal for Population Data Science 1(1), article number: 264. (10.23889/ijpds.v1i1.284)
- Warner, C., Maguire, S. A., Trefan, L., Miller, A., Weinman, J. and Fadell, M. 2017. A study of radiological features of healing in long bone fractures among infants less than a year. Skeletal Radiology 46(3), pp. 333-341. (10.1007/s00256-016-2563-8)
2016
- Kemp, A. et al. 2016. Selecting children for head CT following head injury. Archives of Disease in Childhood 101(10), pp. 929-934. (10.1136/archdischild-2015-309078)
- Trefan, L. et al. 2016. Epidemiology of children with head injury: a national overview. Archives of Disease in Childhood 101(6), pp. 527-532. (10.1136/archdischild-2015-308424)
- Fone, D. et al. 2016. Change in alcohol outlet density and alcohol-related harm to population health (CHALICE): a comprehensive record-linked database study in Wales. Public Health Research 4(3), pp. 1-184. (10.3310/phr04030)
2015
- Burrows, P. et al. 2015. Head injury from falls in children younger than 6 years of age. Archives of Disease in Childhood 100(11), pp. 1032-1037. (10.1136/archdischild-2014-307119)