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 Hywel M. Jones

Hywel M. Jones

Research Associate/Statistician

School of Medicine

+44 (0)29 2068 7304
Neuadd Meirionnydd, University Hospital of Wales, Heath Park, Cardiff, CF14 4YS
Welsh speaking

I'm a Research Associate / Statistician in the Division of Population Medicine. I specialise in the analysis of two large collections of linked anonymised routine health records, the Clinical Practice Research Data Link (CPRD) and the Secure Anonymised Information Linkage Databank (SAIL).

I also hold an honorary contract as a Research Associate at Swansea University.

Education and qualifications

  • 1986: post-graduate Diploma in Management Studies, Polytechnic of Wales
  • 1977: B.Sc. Statistics (1st Class Hons.), University College of Wales, Aberystwyth

Career overview

  • 2014 - present: Research Associate, Cardiff University School of Medicine Division of Population Medicine
  • 2012 - 2014: Statistician, Welsh Language Commissioner
  • 2003 - 2012: Statistician, Welsh Language Board
  • 1988 - 2003: Statistician, working for the Welsh Office and then the Welsh Government
  • 1977 - 1988: Statistician, Business Statistics Office/Department of Trade and Industry

Professional memberships

Chartered Statistician (CStat)









I assist students and staff in Data Clinics.

My expertise is in extracting, manipulating and analysing electronic health records from primary and secondary care held in CPRD and SAIL, using data science and statistical tools and techniques. 

Recent projects have included analysing: the relationship between antibiotic prescribing and deprivation; assessments of optometrists and consultant ophthalmologists in the process of certification for vision impairment; the effectiveness of high-cost drugs used in treating cystic fibrosis; the long-term consequences of urinary tract infections in children, and, separately, by older people; and the provision of health services to patients with cerebral palsy.

External profiles