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Dr Rumana Omar

  • Extension:

    41877

  • Email:

    r.omar@ucl.ac.uk

  • Appointments:

    Reader in Medical Statistics, Dept of Statistical Science, Faculty of Maths & Physical Sciences

Summary

Rumana is a Reader in Medical Statistics at the Department of Statistical Science, UCL and head of the Biostatistics Group at the Royal Free/UCLH/UCL Research Support Centre. Rumana also provides statistical leadership for UCL PRIMENT CTU.  Rumana has held academic appointments at the London School of Hygiene and Tropical Medicine, St Barts and the Royal London Medical School and Imperial College. 


Other Affiliations

  • Elected member of the executive committee (2004-2008) and Chair of the Education sub-committee of the International Society for Clinical Biostatistics (2005-2010)
  • Member of theRfPB London Regional Funding Committee

Research Summary

Rumana’s main research interests are: risk prediction models (case-mix) for health outcomes, applied and methodological aspects of cluster randomised trials, repeated measurements studies and meta-analysis. She has collaborated nationally and internationally on large scale observational studies and trials in cardiac surgery, cancer, mental health and women’s health.




Research Activities

  • A Randomised Placebo Controlled Trial of Trimetazidine Therapy in Hypertrophic Cardiomyopathy, UCLH/UCL BRC
  • ABC challenging behaviour trial HTA
  • An investigation into the use of shrinkage methods to alleviate over-fitting of prognostic models for independent and clustered data with few events, MRC methodology
  • CIRCLE Randomised controlled trial of the effectiveness and cost-effectiveness of a psychological intervention incorporating adjunctive contingency management for reduction of cannabis use in first episode psychosis. HTA
  • Interface between physical health and mental health
  • Magnetic Resonance Biomarkers in Neonatal Encephalopathy (MARBLE) Study
  • Magnetic Resonance Biomarkers of Neonatal Brain Injury
  • Model to predict risk of Dementia
  • Predicting sudden cardiac death in hypertrophic cardiomyopathy: a novel risk prediction model from a multicentre European study
  • Prediction and management of cardiovascular risk for people with severe mental illnesses. A research programme and trial in primary care (PRIMROSE). NIHR
  • Shape Up-LD Piloting a manualised weight management programme for overweight and obese persons with mild-moderate learning disabilities NIHR
  • The Marie Curie Dementia Research Programme: developing an intervention to improve end of life care in advanced dementia
  • The effectiveness and cost-effectiveness of sensory, psychological and behavioural interventions for managing agitation in older adults with dementia, HTA
  • Validating risk factors for developmental dysplasia of the hip, ARC
  • Valuing active life in dementia (VALID). NIHR

Recent Publications

Displaying 50 most recent publications. For the full list please visit UCL Discovery

  1. Killaspy H,Marston L,Omar RZ,Green N,Harrison I,Lean M,Holloway F,Craig T,Leavey G,King M (2013) Authors' reply. Br J Psychiatry, 202(4), 309. 10.1192/bjp.202.4.309a.
  2. Beeken RJ,Spanos D,Fovargue S,Hunter R,Omar R,Hassiotis A,King M,Wardle J,Croker H (2013) Piloting a manualised weight management programme (Shape Up-LD) for overweight and obese persons with mild-moderate learning disabilities: study protocol for a pilot randomised controlled trial. Trials, 14, 71. 10.1186/1745-6215-14-71.
  3. Crocker H,Beeken R,Hassiotis A,Fovargue S,Omar R,Hunter R,King M,Wardle J (2012) 'Shape Up-LD': Piloting a manualised weight management programme for persons with mild-moderate intellectual disabilities JOURNAL OF INTELLECTUAL DISABILITY RESEARCH, 56(7-8), 671 - 671.
  4. Navani N,Lawrence DR,Kolvekar S,Hayward M,McAsey D,Kocjan G,Falzon M,Capitanio A,Shaw P,Morris S,Omar RZ,Janes SM,REMEDY Trial Investigators (2012) Endobronchial ultrasound-guided transbronchial needle aspiration prevents mediastinoscopies in the diagnosis of isolated mediastinal lymphadenopathy: a prospective trial. Am J Respir Crit Care Med, 186(3), 255 - 260. 10.1164/rccm.201203-0393OC.
  5. AMBLER G,Seaman S,Omar RZ (2012) An evaluation of penalised survival methods for developing prognostic models with rare events Statistics in Medicine, 31(11-12), 1150 - 1161. 10.1002/sim.4371.
  6. Beeken RJ,Croker H,Morris S,Leurent B,Omar R,Nazareth I,Wardle J (2012) Study protocol for the 10 Top Tips (10TT) Trial: Randomised controlled trial of habit-based advice for weight control in general practice BMC Public Health, 16(12(1)).
  7. Navani N,Lawrence DR,Kolvekar S,McAsey D,Omar R,Morris S,Janes SM (2011) EBUS-TBNA PREVENTS MEDIASTINOSCOPIES IN PATIENTS WITH ISOLATED MEDIASTINAL LYMPHADENOPATHY: A PROSPECTIVE CLINICAL TRIAL AND COST MINIMISATION ANALYSIS THORAX, 66, A27 - A28. 10.1136/thoraxjnl-2011-201054b.56.
  8. Kamal N,AMBLER G,Omar RZ (2010) Post MFA effects on women’s jobs in Bangladesh Independent Business Review, 3(2).
  9. Burt J,Plant H,Omar R,Raine R (2010) Equity of use of specialist palliative care by age: cross-sectional study of lung cancer patients Palliative Med, 641 - 650.
  10. Thayyil S,Chandrasekaran M,Taylor A,Bainbridge A,Cady EB,Chong WK,Murad S,Omar RZ,Robertson NJ (2010) Cerebral magnetic resonance biomarkers in neonatal encephalopathy: a meta-analysis. Pediatrics, 125(2), e382 - e395. 10.1542/peds.2009-1046.
  11. Thayyil S,Chandrasekharan M,Bainbridge A,Omar R,Murad S,Cady EB,Robertson NJ (2009) Quantitative magnetic resonance biomarkers for prediction of long term outcome following neonatal encephalopathy: a meta-analysis., E-PAS2009, 3875.398.
  12. Omar RZ,Murad S,Edwards S,Rees G (2009) Biostatistics, its development and dissemination to health researchers., 57th Session: Durban, 1 - 14.
  13. Omar RZ,O'Sullivan C,Petersen I,Islam A,Majeed A (2008) A model based on age, sex, and morbidity to explain variation in UK general practice prescribing: cohort study BMJ (Clinical Research Ed.), 337, a238. 10.1136/bmj.a238.
  14. Rahman A,Reed E,Underwood M,Shipley ME,Omar RZ (2008) Factors affecting self-efficacy and pain intensity in patients with chronic musculoskeletal pain seen in a specialist rheumatology pain clinic RHEUMATOLOGY, 47(12), 1803 - 1808. 10.1093/rheumatology/ken377.
  15. Thayyil S,Omar R,Robertson N (2008) Amplitude-integrated electroencephalography (EEG) for outcome prediction in hypoxic-ischemic encephalopathy: Errors in meta-analysis J CHILD NEUROL, 23(8), 970 - 971. 10.1177/0883073808316364.
  16. Edwards SJ,Omar R (2008) Ethics review of research: in pursuit of proportionality. J Med Ethics, 34(7), 568 - 572. 10.1136/jme.2007.022491.
  17. Thayyil S,Omar R,Robertson NJ (2007) An early robust biomarker of outcome in neonatal encephalopathy: a systematic review of lactate/NAA peak ratios ACTA PAEDIATR, 96, 113 - 113.
  18. Thayyil S,Omar R,Cady E,Robertson N (2007) Thalamic proton (1H) magnetic resonance spectroscopy lactate/NAA peak-area ratio is an early robust quantitative biomarker of neurodevelopmental outcome in neonatal encephalopathy..
  19. Omar RZ,Barber J,Ambler G (2007) Design of Health Studies.
  20. Barber J,Ambler G,Omar RZ (2007) Analysis of Health Studies.
  21. Ambler G,Omar RZ,Royston P (2007) A comparison of imputation techniques for handling missing predictor values in a risk model with a binary outcome Statistical Methods in Medical Research, 16(3), 277 - 298. 10.1177/0962280206074466.
  22. Omar RZ,McNally N,Ambler G,Pollock AM (2006) Quality research in healthcare: are researchers getting enough statistical support? BMC Health Services Research, 6(2).
  23. Gray J,Millett C,O'Sullivan C,Omar RZ,Majeed A (2006) Association of age, sex and deprivation with quality indicators for diabetes: population-based cross sectional survey in primary care J ROY SOC MED, 99(11), 576 - 581.
  24. Peregrine E,O'Brien P,Omar R,Jauniaux E (2006) Clinical and ultrasound parameters to predict the risk of cesarean delivery after induction of labor. Obstet Gynecol, 107(2 Pt 1), 227 - 233. 10.1097/01.AOG.0000196508.11431.c0.
  25. Turner RM,Omar RZ,Thompson SG (2006) Constructing intervals for the intracluster correlation coefficient using Bayesian modelling, and application in cluster randomized trials Statistics in Medicine, 25(9), 1443 - 1456. 10.1002/sim.2304.
  26. Turner RM,Omar RZ,Thompson SG (2006) Modelling multivariate outcomes in hierarchical data, with application to cluster randomised trials Biometrical Journal, 48(3), 333 - 345. 10.1002/bimj.200310147.
  27. Key J,Hodgson S,Omar RZ,Jensen TK,Thompson SG,Boobis AR,Davies DS,Elliott P (2006) Meta-analysis of studies of alcohol and breast cancer with consideration of the methodological issues CANCER CAUSE CONTROL, 17(6), 759 - 770. 10.1007/s10552-006-0011-0.
  28. O'Sullivan C,Omar RZ,Ambler G,Majeed A (2005) Case mix and variation in specialist referrals in general practice. British Journal of General Practice, 55(516), 529 - 533.
  29. Omar RZ,Ambler G,Royston P,Taylor KM (2005) Impact of missing predictor values on risk stratification models in cardiac surgery CIRCULATION, 111(20), E337 - E337.
  30. Ambler G,Omar R,Royston P,Kinsman R,Keogh B,Taylor K (2005) A generic, simple risk stratification model for heart valve surgery Circulation, 112, 224 - 231. 10.1161/CIRCULATIONAHA.104.515049.
  31. O'Sullivan C,Omar RZ,Majeed A,Forrest C (2004) Adjusting for cake mix and social class in examining variation in ome visits between practices. Family Practice, 21(4), 355 - 363.
  32. Omar RZ,Ambler G,Royston P,Eliahoo J,Taylor KM (2004) Cardiac surgery risk modeling for mortality: A review of current practice and suggestions for improvement ANN THORAC SURG, 77(6), 2232 - 2237. 10.1016/j.authoracsur.2003.10.032.
  33. Omar RZ,Ambler G,Eliahoo J,Royston P,Taylor KM (2004) Cardiac surgery risk modelling for mortality: a review of current practice and suggestions for improvement The Annals of Thoracic Surgery, 77, 2232 - 2237. 10.1016/j.athoracsur.2003.10.032.
  34. Omar R,Omar RZ,Ambler G,Taylor KM (2003) Assessment of quality of care in cardiac surgery: An overview of risk models., 2.
  35. Ambler G,Omar RZ,Royston P,Taylor KM (2003) A risk score for predicting short-term mortality following heart valve surgery CIRCULATION, 108(17), 755 - 756.
  36. Ambler G,Omar R,Royston P,Taylor K (2003) A prognostic model for heart valve surgery CONTROLLED CLINICAL TRIALS, 24, 231S - 231S.
  37. Goodwin PC,Morrissey MC,Omar RZ,Brown M,Southall K,McAuliffe TB (2003) Effectiveness of supervised physical therapy in the early period after arthroscopic partial meniscectomy PHYS THER, 83(6), 520 - 535.
  38. O'Sullivan C,Omar RZ,Majeed A,Forrest CB (2003) Perfomance monitoring in primary care: Comparison of three methods of estimating variation in performance for binary outcomes CONTROLLED CLINICAL TRIALS, 24, 209S - 210S.
  39. Omar R,Ambler G,Royston P,Eliahoo J,Taylor K (2003) Risk models in cardiac surgery - A comprehensive review of methods CONTROLLED CLINICAL TRIALS, 24, 184S - 185S.
  40. Eliahoo J,Omar R,Saxena S (2003) Socio-economic differences in asthma in children in England using cross sectional survey estimation CONTROLLED CLINICAL TRIALS, 24, 210S - 211S.
  41. Al-Ruzzeh S,Asimakopoulos G,Ambler G,Omar R,Hasan R,Fabri B,El-Gamel A,DeSouza A,Zamvar V,Griffin S,Keenan D,Trivedi U,Pullan M,Cale A,Cowen M,Taylor K,Amrani M (2003) Validation of four different risk stratification systems in patients undergoing off-pump coronary artery bypass surgery: a UK multicentre analysis of 2223 patients HEART, 89(4), 432 - 435.
  42. Asimakopoulos G,Al Ruzzeh S,Ambler G,Omar RZ,Punjabi B,Amrani M,Taylor KM (2003) An evaluation of existing risk stratification models as a tool for comparison of surgical performances for CABG between institutions European Journal of Cardio-Thoracic Surgery, 23, 935 - 942.
  43. Asimakopoulos G,Al-Ruzzeh S,Ambler G,Omar RZ,Punjabi P,Amrani M,Taylor KM (2003) An evaluation of existing risk stratification models as a tool for comparison of surgical performances for coronary artery bypass grafting between institutions European Journal of Cardio-thoracic Surgery, 23(6), 935 - 942.
  44. Goodwin PC,Morrissey MC,Omar RZ,Brown M,Southall K,McAuliffe TB (2003) Effectiveness of Supervised Physical Therapy in the Early Period after Knee Partial Meniscectomy Surgery Journal of the American Physical Therapy Association, 83, 520 - 535.
  45. Al Ruzzeh S,Ambler G,Asimakopoulos G,Omar RZ,Hassan R,Fabri B,El Gamel A,DeSouza T,Zamvar V,Keenan D (2003) Off-pump coronary artery bypass surgery reduces risk-stratified morbidity and mortality: a UK multi-center comparative analysis of early clinical outcome Circulation, 108 Su, 1 - 8.
  46. O'Sullivan C,Omar RZ,Majeed A,Forrest C (2003) Performance monitoring in primary care: comparison of three methods for estimating variation in performance for binary outcomes Controlled Clinical Trials, 24, 3S, 230.
  47. Omar RZ,Morton L,Murad S,Taylor KM (2003) Use of flexibility tests in the manufacturing process of 60 degree bjork-shiley convexo-concave valves and the risk of outlet strut fracture The Journal of Thoracic and Cardiovascular Surgery, 126, 832 - 836.
  48. Al Ruzzeh S,Asimakopoulos G,Ambler G,Omar RZ,Hasan R,Fabri B,El Gamel A,DeSouza T,Zamvar V,Griffin S (2003) Validation of four different risk stratification systems in patients undergoing off-pump coronary bypass graft surgery Heart, 89, 432 - 435.
  49. Morton L,Murad S,Omar RZ,Taylor K (2002) Importance of emergency identification schemes EMERG MED J, 19(6), 584 - 586.
  50. Morton LS,Murad S,Omar RZ,Taylor KM (2002) Acute Failure of Artificial Heart Valves - Importance of Emergency Identification Schemes Emergency Medicine Journal, 19, 584 - 586.

Biography

Rumana is a Reader in Medical Statistics at the Department of Statistical Science, UCL and head of the Biostatistics Group at the Royal Free/UCLH/UCL Research Support Centre. Rumana also provides statistical leadership for UCL PRIMENT CTU.  Rumana has held academic appointments at the London School of Hygiene and Tropical Medicine, St Barts and the Royal London Medical School and Imperial College. 


Other Affiliations

  • Elected member of the executive committee (2004-2008) and Chair of the Education sub-committee of the International Society for Clinical Biostatistics (2005-2010)
  • Member of theRfPB London Regional Funding Committee

Qualifications

  • 1991: Doctor of Philosophy, University of Reading