Peer Reviewed Papers


  1. Mahmoud O, Granell R, Tilling K, Minelli C, Aymerich J, Holloway J, Custovic A, Jarvis D, Sterne J, Henderson J: Association of height growth in puberty with lung function: a longitudinal study. American Journal of Respiratory and Critical Care Medicine, 2018 (In press).
  2. Oksel C, Granell R, Mahmoud O, Custovic A, Henderson J: Causes of variability in latent phenotypes of childhood wheeze. Journal of Allergy and Clinical Immunology, 2018 (In press).
  3. Minelli C, Plaat D, Leynaert B, Granell R, Amaral A, Pereira M, Mahmoud O, Potts J, Sheehan N, Bowden J, Thompson J, Jarvis D, Smith G, Henderson J: Age at puberty and risk of asthma: A Mendelian randomisation study. PLoS Medicine, 2018, vol 15.
  4. Candler T, Mahmoud O, Lynn R, Majbar A, Barrett T, Hamilton-Shield J: Treatment adherence and BMI reduction are key predictors of HbA1c one year after diagnosis of childhood Type 2 Diabetes in UK. Pediatric Diabetes, 2018, 1–7.
  5. Candler T, Mahmoud O, Lynn R, Majbar A, Barrett T, Hamilton-Shield J: Continuing rise in incidence of Type 2 Diabetes in Children and Young People in the UK and Republic of Ireland. Diabetic Medicine, 2018, 35, 737–744.
  6. Broomfield S, Mandavia A, Nicholson J, Mahmoud O, King A, Rutherford S, Ramsden R: Long Term Quality of Life Following Acoustic Neuroma Excision via the Translabyrinthine Approach. Otology Neurotology, 2017, 38 (8), 1165–1173.
  7. Wills A, Mahmoud O, Hall A, Sell D, Smallridge J, Southby L, Toms S, Waylen A, Wren Y, Ness A, Sandy J: Centre level variation of treatment and outcome in 5 year old children with non-syndromic unilateral cleft lip and palate: the Cleft Care UK study. Part 1: methodology and results for dento-facial outcomes. Orthod Craniofac Res, 2017, 20 (S2), 1–7.
  8. Hall A, Wills A, Mahmoud O, Sell D, Waylen A, Grewal S, Sandy J, Ness A: Centre level variation in outcomes and treatment for otitis media with effusion and hearing loss and the association of hearing loss with developmental outcomes at age 5 and 7 years in children with non-syndromic unilateral cleft lip and palate: the Cleft Care UK study. Part 2. Orthod Craniofac Res, 2017, 20 (S2), 8–18.
  9. Smallridge J, Wills A, Mahmoud O, Chong A, Clark V, Collard M, Sandy J, Ness A: Centre level variation in dental treatment and oral health and individual and area level predictors of oral health in 5 year old children with non-syndromic unilateral cleft lip and palate: the Cleft Care UK study. Part 3. Orthod Craniofac Res, 2017, 20 (S2), 19–26.
  10. Sell D, Southby L, Wren Y, Wills A, Hall A, Mahmoud O, Waylen A, Sandy J, Ness A: Centre level variation in speech outcome and interventions, and factors associated with poor speech outcomes in 5 year old children with non-syndromic unilateral cleft lip and palate: the Cleft Care UK study. Part 4. Orthod Craniofac Res, 2017, 20 (S2), 27–39.
  11. Waylen A, Mahmoud O, Wills A, Sell D, Sandy J, Ness A: Centre level variation in behaviour and the predictors of behaviour in 5 year old children with non-syndromic unilateral cleft lip: the Cleft Care UK study. Part 5. Orthod Craniofac Res, 2017, 20 (S2), 40–47.
  12. Ness A, Wills A, Mahmoud O, Hall A, Sell D, Smallridge J, Southby L, Stokes D, Toms S, Waylen A, Wren Y, Sandy J: Centre level variation in treatment and outcomes and predictors of outcomes in 5 year old children with non-syndromic unilateral cleft lip treated within a centralised service: the Cleft Care UK study. Part 6: summary and implications. Orthod Craniofac Res, 2017, 20 (S2), 48–51.
  13. Candler T, Mahmoud O, Edge J, Hamilton-Shield J: Hypercholesterolaemia screening in Type 1 Diabetes – a difference of opinion. Diabetic Medicine, 2017, 34, 983–986.
  14. Gul A, Perperoglou A, Khan Z, Mahmoud O, Miftahuddin M, Adler W, Lausen B: Ensemble of a Subset of kNN Classifiers. Advances in Data Analysis and Classification, 2016, 1–14.
  15. Mahmoud O, Harrison A, Gul A, Khan Z, Metodiev M, Lausen B: Minimizing Redundancy among Genes Selected Based on the Overlapping Analysis. In: Wilhelm, A., Kestler, A. (eds.) Analysis of Large and Complex Data, pp. 275–285, Springer 2016.
  16. Gul A, Khan Z, Mahmoud O, Miftahuddin M, Adler W, Perperoglou A, Lausen B: Ensemble of $k$-nearest neighbour classifiers for class membership probability estimation. In: Wilhelm, A., Kestler, A. (eds.) Analysis of Large and Complex Data, pp. 411–421, Springer 2016.
  17. Khan Z, Gul A, Mahmoud O, Miftahuddin M, Perperoglou A, Adler W, Lausen B: An Ensemble of Optimal Trees for Class Membership Probability Estimation. In: Wilhelm, A., Kestler, A. (eds.) Analysis of Large and Complex Data, pp. 395–409, Springer 2016.
  18. Mahmoud O, Harrison A, Perperoglou A, Gul A, Khan Z, Metodiev M, Lausen B: A feature selection method for classification within functional genomics experiments based on the proportional overlapping score. BMC Bioinformatics, 2014, 15–274.
  19. Ahmed E, El-shair S, Mahmoud O: E-optimal design for detecting the main effects in $2^k$-factorial paired comparison experiments with full profiles. Proceedings of the 43rd Annual Conference on Statistics, Computer Sciences and Operations Research. ISSR, Cairo University, 2008, Cairo, Egypt.
  20. Roda C, Mahmoud O, Fuertes E, Peralta M, Granell R, Serra I, Henderson J, Jarvis D, Aymerich J: Physical Activity trajectories during childhood and lung function at 15 years: a longitudinal study from ALSPAC cohort. (In review).
  21. Peralta M, Fuertes E, Granell R, Mahmoud O, Roda C, Serra I, Jarvis D, Henderson J, Aymerich J: body composition trajectories are associated with lung function at 15 years: Findings from the ALSPAC study. (In review).
  22. Yang A, Richard B, Wills A, Mahmoud O, Sandy J, Ness A:: Closer to the truth on national fistula prevalence after unilateral complete cleft lip and palate repair? the Cleft Care UK study. (In review).
  23. Khan Z, Gul A, Perperoglou A, Mahmoud O, Miftahuddin M, Adler W, Lausen B: An Ensemble of Optimal Trees for Classification and Regression. [Submitted for publication]

Invited Talks


  1. Mahmoud O: Association of height growth in puberty with lung function in later life: a longitudinal study. Department of Mathematical Sciences, University of Essex, UK, 15 February 2018.
  2. Mahmoud O: Improving Machine Learning from Functional Genomic Data by means of Overlapping Analysis. Institute of Medical Biometry and Statistics, Medical Center. Bioinformatics club, University of Freiburg. Freiburg, Germany, 19 June 2017.
  3. Mahmoud O: Improving Statistical Learning by means of Feature Selection. Department of Paediatrics, St Mary’s Campus Medical School, Imperial College London. UK, 13 March 2017.
  4. Mahmoud O: Improving Statistical Learning within Functional Genomic Experiments by means of Feature Selection. All-Ireland Cancer Consortium Conference, AICC 2015. Belfast, Northern Ireland, 10–13 May 2015.
  5. Mahmoud O: Statistical Learning by means of Feature Selection. Profusion Data Science Consultancy, Data Science Lab. London, UK, 25 September 2015.
  6. Mahmoud O: D2: Documenting Research Data Using A Novel Package. University of Essex, Department of Mathematical Sciences, Postgraduate Event. Colchester, Essex, UK, 12 March 2016.

Conference Presentations


  1. Candler T, Mahmoud O, Edge J, Hamilton-Shield J: Hypercholesterolaemia screening in Type 1 Diabetes - a difference of opinion. British Society for Paediatric Endocrinology and Diabetes, BSPED 2016. Trent Vineyard, Nottingham, UK, 23–25 November 2016.
  2. Waylen A, Mahmoud O, Sandy J, Wills A, Ness A: Has the Centralisation of Cleft Care Services in the United Kingdom Changed Care Provision and Treatment Outcomes? Craniofacial Society of Great Britain and Ireland Annual Conference, CFSGBI 2016. East Midlands Conference Centre, UK, 21–22 April 2016.
  3. Lausen B, Gul A, Khan Z, Mahmoud O: Ensemble of selected classifiers. 10th Scientific Meeting of the Classification and Data Analysis Group, CLADAG 2015. Cagliari, Italy, 8–10 October 2015.
  4. Lausen B, Gul A, Khan Z, Mahmoud O: Ensembles of selected classifiers applied to genomic data. Conference of the International Federation of Classification Societies, IFCS 2015. Bologna, Italy, 6–8 July 2015.
  5. Mahmoud O, Harrison A, Lausen B: A Gene Selection Method for Classification based on the Proportional Overlapping Score. Developing Data-Driven Biology Within Morocco. Tangiers, Morocco, 15–19 February 2015.
  6. Mahmoud O, Harrison A, Gul A, Khan Z, Metodiev M, Lausen B: Minimizing redundancy among genes selected based on the overlapping analysis. 2nd European Conference on Data Analysis, 2014. ECDA 2014. Bremen, Germany, 2–5 July 2014.
  7. Khan Z, Gul A, Mahmoud O, Miftahuddin M, Perperoglou A, Adler W, Lausen B: An ensemble of optimal trees for class membership probability estimation. 2nd European Conference on Data Analysis, 2014. ECDA 2014. Bremen, Germany, 2–5 July 2014.
  8. Gul A, Khan Z, Mahmoud O, Miftahuddin M, Adler W, Perperoglou A, Lausen B: Ensemble of $k$-nearest neighbour classifiers for class membership probability estimation. 2nd European Conference on Data Analysis, 2014. ECDA 2014. Bremen, Germany, 2–5 July 2014.

Poster Sessions


  1. Mahmoud O, Granell R, Henderson J: Association of height growth in puberty with maximally attained lung function. ERS International Congress. Paris, France, 15–19 September 2018.
  2. Mahmoud O, Leary S, Marshall V, Kazi A, Hamilton-Shield J: Hypercholesterolaemia screening in Type 1 Diabetes - a difference of opinion. The Role of Wellpoint Health Kiosks: A Service Evaluation Study. The Annual Scientific Meeting of the Society of Occupational Medicine, ASMSOM 2016. London, UK, 27–30 June 2016.
  3. Mahmoud O, Harrison A, Metodiev M, Lausen B: Proportional overlapping scores for gene selection using proteomics and microarray data. Young Statisticians Meeting, YSM 2013. Imperial College London, United Kingdom, 4–5 July 2013.

Book Chapters


  1. ElDash A, Abo-El-Hadid S, Mahmoud O (2009): Guide for using ready packages: SPSS - Maple - TORA. First Edition (in Arabic), Cairo, Egypt: University Unit of Books Publishing and Distributing, Helwan University.

Software Products and Packages


  1. Mahmoud O, Harrison A, Perperoglou A, Gul A, Khan Z, Lausen B (2014). propOverlap: Feature (gene) selection based on the Proportional Overlapping Scores. R package version 1.0.
  2. Gul A, Perperoglou A, Khan Z, Mahmoud O, Adler W, Miftahuddin M, Lausen B (2015). ESKNN: Ensemble of Subset of K-Nearest Neighbours Classifiers for Classification and Class Membership Probability Estimation. R package version 1.0.
  3. Khan Z, Gul A, Perperoglou A, Mahmoud O, Adler W, Miftahuddin M, Lausen B (2015). OTE: Optimal Trees Ensembles for Regression, Classification and Class Membership Probability Estimation. R package version 1.0.