Dr Doyo Enki

Dr Doyo Enki

Research Fellow in Medical Statistics

Medical Statistics


Dr Doyo Gragn Enki joined Plymouth University in June 2013 as a Research Fellow in Statistics. Previously, he worked as Research Associate at The Open University, UK (2011-2013), where he studied his PhD. He also held a Lecturer position at Jimma University, Ethiopia (2000-2004), and also worked as Statistician at Development Bank of Ethiopia (1997-2000).

He is currently engaged in research and teaching at Plymouth University Peninsula Schools of Medicine and Dentistry.


2011 - PhD in Statistics, The Open University, UK.
            Thesis title: Interpretable and fast dimension reduction of multivariate data
            Supervisors: Dr Nickolay Trendafilov and Prof Frank Critchley

2007 - MSc. in Biostatistics (with distinction), Hasselt University, Belgium

2006 - MSc. in Applied Statistics (with distinction), Hasselt University, Belgium

2004 - MSc. in Statistics, Addis Ababa University, Ethiopia

1996 -  BSc. in Statistics, Addis Ababa University, Ethiopia

AFHEA, Higher Education Academy (2016)

Professional membership

Fellow of the Royal Statistical Society

Teaching interests

Clinical decision making 
    - Randomised clinical trials 
    - Systematic reviews and Meta-Analysis 
    - Diagnostic tests

Research interests

Multivariate Statistics
Survival data analysis
Medical Statistics

Key publications are highlighted

Sweet D, Byng R, Webber M, Enki DG, Porter I, Larsen J, Huxley P & Pinfold V 2017 'Personal wellbeing networks, social capital and severe mental illness: findings from an exploratory study' BJPsych Open
Madhu C, Hashim H, Enki DG, Yaasin M & Drake M 2017 'Risk factors and functional abnormalities associated with adult onset secondary nocturnal enuresis in women' Neurourology and Urodynamics 36, (1) 188-191 , DOI PEARL
Enki DG, Noufaily A, Farrington P, Garthwaite P, Andrews N & Charlett A 2017 'Taylor’s power law and the statistical modelling of infectious disease surveillance data' Journal of the Royal Statistical Society, Series A 180, (1) 45-72 , DOI PEARL
Nutbeam T, Clarke R, Luff T, Enki DG & Gay D 2017 'The height of the cricothyroid membrane on computed tomography scans in trauma patients' Anaesthesia , DOI
Patel N, Batten T, Roberton A, Enki D, Wansbrough G & Davis J 2016 'A comparison of energy consumption between the use of a walking frame, crutches and a Stride-on rehabilitation scooter' The Foot 28, 7-11 , DOI PEARL
Hilton DA, Shivane A, Kirk L, Bassiri K, Enki DG & Hanemann CO 2016 'Activation of multiple growth factor signalling pathways is frequent in meningiomas' Neuropathology 36, (3) 250-261 , DOI PEARL
Enki DG, Garthwaite PH, Farrington CP, Noufaily A, Andrews NJ & Charlett A 2016 'Comparison of Statistical Algorithms for the Detection of Infectious Disease Outbreaks in Large Multiple Surveillance Systems' PLoS ONE 11, (8) e0160759-e0160759 , DOI PEARL
Noufaily A, Farrington P, Garthwaite P, Enki DG, Andrews N & Charlett A 2016 'Detection of infectious disease outbreaks from laboratory data with reporting delays' Journal of American Statistical Association 111, (514) 488-499 , DOI PEARL
Williams EL, Stimpson ML, Collins PL, Enki DG, Sinha A, Lee RW & Dhanda AD 2016 'Development and validation of a novel bioassay to determine glucocorticoid sensitivity' Biomarker Research 4, 26-26 , DOI PEARL
Whitehouse KJ, Jeyaretna DS, Enki DG & Whitfield PC 2016 'Head injury in the elderly - what are the outcomes of neurosurgical care?' World neurosurgery 94, 493-500 , DOI PEARL
Graham B, Smith J & Enki DG 2016 'Strengths and weaknesses in team communication processes in a UK emergency department setting: findings using the Communication Assessment Tool-Team' European Journal of Emergency Medicine PEARL
Madhu K, Hashim H, Enki DG, Yaasin M & Drake M 2015 'Coital incontinence: what can we learn from urodynamic assessment?' Urology 85, (5) 1034-1038 , DOI PEARL
Madhu C, Enki DG, Yaasin M, Drake M & Hashim H 2015 'Functional effects of cigarette smoking on the lower urinary tract: a urodynamic perspective' Urologia Internationalis 95, (4) 478-482 , DOI PEARL
Whitehouse KJ, Jeyaretna SD, Enki DG & Whitfield PC 2015 'Head injury in the elderly' British Journal of Neurosurgery 29, (2) 124-163 , DOI
Pinfold V, Sweet D, Porter I, Quinn C, Bying R, Griffiths C, Billsborough J, Enki DG, Chandler R & Webber M 2015 'Improving community health networks for people with severe mental illness: a case study investigation' Health Services and Delivery Research 3, (5) PEARL
Noufaily A, Ghebremichael-Weldeselassie Y, Enki DG, Garthwaite PH, Andrews N, Charlett A & Farrington CP 2015 'Modeling reporting delays for outbreak detection in infectious disease data' Journal of Royal Statistical Society, Series A 178, (1) 205-222 , DOI
Enki DG, Noufaily A & Farrington CP 2014 'A time-varying shared frailty model with application to infectious diseases' The Annals of Applied Statistics 8, (1) 430-447 , DOI
Enki DG, Trendafilov NT & Jolliffe IT 2013 'A clustering approach to interpretable principal components' Journal of Applied Statistics 40, (3) 583-599 , DOI
Noufaily A, Enki DG, Farrington P, Garthwaite P, Andrews N & Charlett A 2013 'An improved algorithm for outbreak detection in multiple surveillance systems' Stat Med 32, (7) 1206-1222 Author Site , DOI
Enki DG, Noufaily A, Garthwaite PH, Andrews NJ, Charlett A, Lane C & Farrington CP 2013 'Automated biosurveillance data from England and Wales, 1991-2011' Emerg Infect Dis 19, (1) 35-42 Author Site , DOI
Enki DG, Noufaily A, Farrington CP, Garthwaite PH, Andrews N, Charlett A & Lane C 2013 'Statistical Models for Biosurveillance of Multiple Organisms' Online Journal of Public Health Informatics 5, (1)
Enki DG & Trendafilov NT 2012 'Sparse principal components by semi-partition clustering' Computational Statistics 27, (4) 605-626 , DOI
Malede T, Haileamlak A & Enki DG 2006 'Pattern of heart diseases in children over five years period in Jimma University Hospital: A retrospective study' Ethiopian Journal of Health Sciences 16, 37-46
Enki DG 2005 'Errors in population projection: the case of UN projection for African countries' Journal of Ethiopian Statistical Association 14, 37-53
Conference Papers
Nutbeam T, Enki DG, Clarke R, Luff T & Gay D 2016 'Emergency Cricothyrotomy: Revised anatomy and its implications for clinical practice' RCEM Annual Scientific Conference 2016 Bournemouth Internationla Centre 20/09/2016 22/09/2016 , DOI PEARL
Rowswell H, Enki DG & Nokes TJC 2016 'Hospital acquired vs community acquired VTE: Comparison of risk factors and 5 years follow-up' International society of hematology Glasgow 18/04/2006 21/04/2016 , DOI

Additional information

Conference talks and posters

·         Comparison of statistical algorithms for the detection of infectious disease outbreaks, International Conference of the Royal Statistical Society, 7 - 10 September 2015, Exeter University, UK.

·       Statistical models for biosurveillance of multiple organisms, the 2012 International Society for Disease Surveillance (ISDS) conference, San Diego, USA, 4-5 Dec 2012.

·       Statistical models for biosurveillance: an empirical investigation, 33rd Annual Conference of the International Society for Clinical Biostatistics, Bergen, Norway, 19-23 August 2012.

·       Evaluation of statistical algorithms for the detection of infectious disease outbreaks, 32nd Annual Conference of the International Society for Clinical Biostatistics, Ottawa, Canada, 21-25 August 2011.

·       Sparse principal components by semi-partition clustering, International Conference of the Royal Statistical Society, 13-17 September 2010, Brighton, UK.

·       A semi-partition approach to gene clustering, 31st Annual Conference of the International Society for Clinical Biostatistics, 29 August - 2 September 2010, Montpellier, France.

·       Sparse eigengenes by semi-partitioning clustering method, Workshop on Sparse structures: statistical theory and practice, 16-18 June 2010, University of Bristol, UK.

·       Penalized varimax, 16th International Meeting of the Psychometric Society, 20-24 July 2009, St. John's College, Cambridge, UK.

·       Sparse and interpretable components, Sparsity in Machine Learning and Statistics, 1-3 April 2009, Cumberland Lodge, UK.

·       Interpretable dimensionality reduction for data of high dimension, 31st Research Students' Conference, 31 March - 1 April, 2008, University of Nottingham, UK. 

Invited talk

·       A time-varying shared frailty model with application to infectious diseases, Meeting on Probability Distributions and Statistical Models for Reliability and Survival Analysis, 30 May 2014, Brunel University, London, UK.