Omar Omar

Medical Statistician

  • 1067 Citations
  • 11 h-Index
20112020

Research output per year

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Research Output

  • 1067 Citations
  • 11 h-Index
  • 24 Article
  • 3 Review article
  • 1 Comment/debate
2020

Low-energy total diet replacement intervention in patients with type 2 diabetes mellitus and obesity treated with insulin: A randomized trial

Brown, A., Dornhorst, A., McGowan, B., Omar, O., Leeds, A. R., Taheri, S. & Frost, G. S., 28 Jan 2020, In : BMJ Open Diabetes Research and Care. 8, 1, e001012.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)
2019

Controlled trial of two incremental milk-feeding rates in preterm infants

Dorling, J., Abbott, J., Berrington, J., Bosiak, B., Bowler, U., Boyle, E., Embleton, N., Hewer, O., Johnson, S., Juszczak, E., Leaf, A., Linsell, L., McCormick, K., McGuire, W., Omar, O., Partlett, C., Patel, M., Roberts, T., Stenson, B. & Townend, J., 10 Oct 2019, In : New England Journal of Medicine. 381, 15, p. 1434-1443 10 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
2018
1 Citation (Scopus)
24 Citations (Scopus)

Factors Associated With Presenteeism at Work in Type 2 Diabetes Mellitus

Zaghloul, H., Omar, O., Pallayova, M., Choudhury, S. & Taheri, S., 1 Dec 2018, In : Journal of Occupational and Environmental Medicine. 60, 12, p. 1116-1119 4 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Selected psychiatric problems among college students in two Arab countries: Comparison with the USA

Kronfol, Z., Khalifa, B., Khoury, B., Omar, O., Daouk, S., de Witt, J. P., El Azab, N. & Eisenberg, D., 24 May 2018, In : BMC Psychiatry. 18, 1, 147.

Research output: Contribution to journalArticle

3 Citations (Scopus)

The Prospective Association Between Electronic Device Use Before Bedtime and Academic Attainment in Adolescents

Arora, T., Albahri, A., Omar, O., Sharara, A. & Taheri, S., 1 Oct 2018, In : Journal of Adolescent Health. 63, 4, p. 451-458 8 p.

Research output: Contribution to journalArticle

The relationship of perivascular adipose tissue and atherosclerosis in the aorta and carotid arteries, determined by magnetic resonance imaging

Alkhalil, M., Edmond, E., Edgar, L., Digby, J. E., Omar, O., Robson, M. D. & Choudhury, R. P., 1 Feb 2018, (Accepted/In press) In : Diabetes and Vascular Disease Research.

Research output: Contribution to journalArticle

6 Citations (Scopus)
2017
3 Citations (Scopus)
4 Citations (Scopus)
2016
10 Citations (Scopus)

Assessment for the possibility of a first night effect for wrist actigraphy in adolescents

Arora, T., Omar, O. & Taheri, S., 1 Oct 2016, In : BMJ Open. 6, 10, e012172.

Research output: Contribution to journalArticle

1 Citation (Scopus)

How do qataris source health information?

Choudhury, S., Arora, T., Alebbi, S., Ahmed, L., Y Aden, A., Omar, O. & Taheri, S., 1 Nov 2016, In : PLoS One. 11, 11, e0166250.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Impact of a web-based tool (WebCONSORT) to improve the reporting of randomised trials: Results of a randomised controlled trial

Hopewell, S., Boutron, I., Altman, D. G., Barbour, G., Moher, D., Montori, V., Schriger, D., Cook, J., Gerry, S., Omar, O., Dutton, P., Roberts, C., Frangou, E., Clifton, L., Chiocchia, V., Rombach, I., Wartolowska, K. & Ravaud, P., 28 Nov 2016, In : BMC Medicine. 14, 1, 199.

Research output: Contribution to journalArticle

19 Citations (Scopus)

Moderate hypothermia within 6 h of birth plus inhaled xenon versus moderate hypothermia alone after birth asphyxia (TOBY-Xe): A proof-of-concept, open-label, randomised controlled trial

Azzopardi, D., Robertson, N. J., Bainbridge, A., Cady, E., Charles-Edwards, G., Deierl, A., Fagiolo, G., Franks, N. P., Griffiths, J., Hajnal, J., Juszczak, E., Kapetanakis, B., Linsell, L., Maze, M., Omar, O., Strohm, B., Tusor, N. & Edwards, A. D., 1 Feb 2016, In : The Lancet Neurology. 15, 2, p. 145-153 9 p.

Research output: Contribution to journalArticle

79 Citations (Scopus)
2014

Association between population prevalence of smoking and incidence of meningococcal disease in Norway, Sweden, Denmark and the Netherlands between 1975 and 2009: A population-based time series analysis

Norheim, G., Sadarangani, M., Omar, O., Yu, L. M., Mølbak, K., Howitz, M., Olcén, P., Haglund, M., Van Der Ende, A. & Pollard, A. J., 4 Mar 2014, In : BMJ Open. 4, 2, e003312.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Effects of hypothermia for perinatal asphyxia on childhood outcomes

Azzopardi, D., Strohm, B., Marlow, N., Brocklehurst, P., Deierl, A., Eddama, O., Goodwin, J., Halliday, H. L., Juszczak, E., Kapellou, O., Levene, M., Linsell, L., Omar, O., Thoresen, M., Tusor, N., Whitelaw, A. & Edwards, A. D., 1 Jan 2014, In : New England Journal of Medicine. 371, 2, p. 140-149 10 p.

Research output: Contribution to journalArticle

283 Citations (Scopus)

Effects of hypothermia for perinatal asphyxia on childhood outcomes

Azzopardi, D., Strohm, B., Marlow, N., Brocklehurst, P., Deierl, A., Eddama, O., Goodwin, J., Halliday, H. L., Juszczak, E., Kapellou, O., Levene, M., Linsell, L., Omar, O., Thoresen, M., Tusor, N., Whitelaw, A. & Edwards, A. D., 1 Jan 2014, In : Obstetrical and Gynecological Survey. 69, 11, p. 639-641 3 p.

Research output: Contribution to journalComment/debate

External validation of multivariable prediction models: A systematic review of methodological conduct and reporting

Collins, G. S., De Groot, J. A., Dutton, S., Omar, O., Shanyinde, M., Tajar, A., Voysey, M., Wharton, R., Yu, L. M., Moons, K. G. & Altman, D. G., 19 Mar 2014, In : BMC Medical Research Methodology. 14, 1, 40.

Research output: Contribution to journalReview article

174 Citations (Scopus)

Randomized clinical trial to evaluate the immunogenicity of quadrivalent meningococcal conjugate and polysaccharide vaccines in adults in the United Kingdom

Ramasamy, M. N., Clutterbuck, E. A., Haworth, K., Bowman, J., Omar, O., Thompson, A. J., Blanchard-Rohner, G., Yu, L. M., Snape, M. D. & Pollard, A. J., 1 Jan 2014, In : Clinical and Vaccine Immunology. 21, 8, p. 1164-1168 5 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2013

A systematic review finds prediction models for chronic kidney disease were poorly reported and often developed using inappropriate methods

Collins, G. S., Omar, O., Shanyinde, M. & Yu, L. M., 1 Mar 2013, In : Journal of Clinical Epidemiology. 66, 3, p. 268-277 10 p.

Research output: Contribution to journalReview article

76 Citations (Scopus)

A systematic review of the effect of red blood cell transfusion on mortality: Evidence from large-scale observational studies published between 2006 and 2010

Hopewell, S., Omar, O., Hyde, C., Yu, L. M., Doree, C. & Murphy, M. F., 6 Jun 2013, In : BMJ Open. 3, 5, 002154.

Research output: Contribution to journalArticle

44 Citations (Scopus)

Interventions to improve professional adherence to guidelines for prevention of device-related infections

Flodgren, G., Conterno, L. O., Mayhew, A., Omar, O., Pereira, C. R. & Shepperd, S., 28 Mar 2013, In : Cochrane Database of Systematic Reviews. 2013, 3, CD006559.

Research output: Contribution to journalReview article

56 Citations (Scopus)

Long-term seroprotection after an adolescent booster meningococcal serogroup C vaccination

De Whalley, P. C. S., Snape, M. D., Plested, E., Thompson, B., Nuthall, E., Omar, O., Borrow, R. & Pollard, A. J., 1 Sep 2013, In : Archives of Disease in Childhood. 98, 9, p. 686-691 6 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)
2012

Evaluation of Haemophilus influenzae Type b Vaccine for Routine Immunization in Nepali Infants

Metz, J. A., Hanieh, S., Pradhan, R., Joshi, A., Shakya, D., Shrestha, L., Shrestha, A., Upadhyay, B., Kelly, S. C., John, T. M., Maharjan, B. D., Yu, L. M., Omar, O., Borrow, R., Findlow, J., Kelly, D. F., Thorson, S. M., Adhikari, N., Murdoch, D. R. & Pollard, A. J., 1 Jan 2012, In : Pediatric Infectious Disease Journal. 31, 4, p. e66-e72

Research output: Contribution to journalArticle

5 Citations (Scopus)
2011

Developing risk prediction models for type 2 diabetes: A systematic review of methodology and reporting

Collins, G. S., Mallett, S., Omar, O. & Yu, L. M., 8 Sep 2011, In : BMC Medicine. 9, 103.

Research output: Contribution to journalArticle

222 Citations (Scopus)

Persistence of serum bactericidal antibody one year after a booster dose of either a glycoconjugate or a plain polysaccharide vaccine against serogroup C neisseria meningitidis given to adolescents previously immunized with a glycoconjugate vaccine

De Whalley, P. C. S., Snape, M. D., Kelly, D. F., Banner, C., Lewis, S., Diggle, L., John, T. M., Yu, L. M., Omar, O., Borkowski, A. & Pollard, A. J., 1 Nov 2011, In : Pediatric Infectious Disease Journal. 30, 11

Research output: Contribution to journalArticle

11 Citations (Scopus)