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Health Services Research Unit

Professor Graeme MacLennan

Professor Graeme MacLennan
Professor Graeme MacLennan
Professor Graeme MacLennan

Director (CHaRT)

About
Email Address
g.maclennan@abdn.ac.uk
Telephone Number
+44 (0)1224 438147
Office Address

Health Services Research Unit
2nd Floor Health Sciences Building
Foresterhill
Aberdeen
AB25 2ZD

School/Department
School of Medicine, Medical Sciences and Nutrition
ORCiD

Biography

I am currently Professor of Medical Statistics and the Director of the Centre for Health Care Randomised Trials (CHaRT) which is the Clinical Trials Unit embedded within the Health Services Research Unit. My overarching research interest is in designing fair tests of health care treatments and policies, with a specifc interest in evaluating surgical and complex interventions. I'm also interested in improving the design, conduct, and analysis and reporting of clinical trials through the development and application of methodological research to clinical trials from CHaRT. 

My undergrad degree is in Mathematics from the University of Aberdeen, graduating in 1997. After a year training as a Mathematics teacher I joined the Unit in September 1998 as a statistician. I studied part-time for an MSc in Applied Statistics with Sheffield Hallam University, graduating in 2004. In 2008 I was appointed Senior Statistican, and in 2016 was I Interim Programme Director for the Health Care Assessment Programme, until being appointment as CHaRT Director in April 2017.  

Qualifications

  • BSc Mathematics 
    1997 - University of Aberdeen 
  • MSc Applied Statistics 
    2004 - Sheffield Hallam University 
Research

Research Overview

The application of statistical methods to clinical trials. Recent example is JCE paper available here on using instrumental variables in a surgery trial to address non-compliance. Collaborators were Jonathan Cook (Oxford), Tom Palmer (Lancaster), and Richard Emesley (Manchester). 

Research on making trials more efficient, collaborating with Trial Forge. 

Current Research

A complete list of the CHaRT RCT portolio is available by clicking here

Teaching

Teaching Responsibilities

I teach on our MPH course module PU5031: EVIDENCE-BASED HEALTH.

Publications

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  • The FEeding Support Team (FEST) randomised, controlled feasibility trial of proactive and reactive telephone support for breastfeeding women living in disadvantaged areas

    Hoddinott, P., Craig, L., Maclennan, G., Boyers, D., Vale, L., On behalf of the NHS Grampian and the University of Aberdeen FEST project team
    BMJ Open, vol. 2, no. 2, e000652
    Contributions to Journals: Articles

  • Surveillance mammography for detecting ipsilateral breast tumour recurrence and metachronous contralateral breast cancer: a systematic review

    Robertson, C., Ragupathy, S. K. A., Boachie, C., Fraser, C., Heys, S. D., Maclennan, G., Mowatt, G., Thomas, R. E., Gilbert, F. J., Mammographic Surveillance Health Technology Assessment Group
    European Radiology, vol. 21, no. 12, pp. 2484-2491
    Contributions to Journals: Articles

  • Assessing risk of bias in non-randomised studies and incorporating GRADE: Initial experience with a new Cochrane ‘risk of bias’ tool under development

    MacLennan, S., Imamura, M., Dahm, P., Nueberger, M., Reeves, B. C., MacLennan, G. S., Omar, M. I., McClinton, S., Griffiths, T. R. L., N'Dow, J. M. O.
    Contributions to Conferences: Papers

  • The hazards of extracting hazard ratios from survival curves for meta-analyses in observational studies

    Imamura, M., MacLennan, S., Dahm, P., Nueberger, M., Omar, M. I., MacLennan, G. S.
    Contributions to Conferences: Papers

  • Evidence for partial nephrectomy

    Lam, T. B. L., MacLennan, S., Imamura, M., Omar, M. I., MacLennan, G.
    Contributions to Conferences: Papers

  • Patellar resurfacing in total knee replacement: five-year clinical and economic results of a large randomized controlled trial

    Breeman, S., Campbell, M., Dakin, H., Fiddian, N., Fitzpatrick, R., Grant, A., Gray, A., Johnston, L., Maclennan, G., Morris, R., Murray, D., KAT Trial Group
    The Journal of Bone & Joint Surgery. American Volume, vol. 93, no. 16, pp. 1473-1481
    Contributions to Journals: Articles

  • The clinical effectiveness and cost-effectiveness of different surveillance mammography regimens after the treatment for primary breast cancer: systematic reviews registry database analyses and economic evaluation

    Robertson, C., Arcot Ragupathy, S. K., Boachie, C., Dixon, J. M., Fraser, C., Hernández, R., Heys, S., Jack, W., Kerr, G. R., Lawrence, G., MacLennan, G., Maxwell, A., McGregor, J., Mowatt, G., Pinder, S., Ternent, L., Thomas, R. E., Vale, L., Wilson, R., Zhu, S., Gilbert, F. J.
    Health Technology Assessment, vol. 15, no. 34, pp. v-vi, 1-322
    Contributions to Journals: Articles

  • Further use for the harvest plot: a novel method for quantitative and qualitative data synthesis

    Crowther, M., Avenell, A., MacLennan, G. S., Mowatt, G.
    Research Synthesis Methods, vol. 2, no. 2, pp. 79-83
    Contributions to Journals: Articles

  • Applying psychological theories to evidence-based clinical practice: identifying factors predictive of lumbar spine x-ray for low back pain in UK primary care practice

    Grimshaw, J. M., Eccles, M. P., Steen, N., Johnston, M., Pitts, N. B., Glidewell, E., Maclennan, G., Thomas, R. E., Bonetti, D. L., Walker, A. E.
    Implementation Science, vol. 6, pp. 55
    Contributions to Journals: Articles

  • Developing and evaluating interventions to reduce inappropriate prescribing by general practitioners of antibiotics for upper respiratory tract infections: a randomised controlled trial to compare paper-based and web-based modelling experiments

    Treweek, S. P., Ricketts, I. W., Francis, J., Eccles, M., Bonetti, D., Pitts, N. B., Maclennan, G., Sullivan, F., Jones, C., Weal, M., Barnett, K.
    Implementation Science, vol. 6, no. 1, pp. 16
    Contributions to Journals: Articles
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