Projects per year
Nicky's research interests concern methodology for evidence synthesis, and use of evidence in decision modelling. This includes methods for synthesis of studies informing Markov model parameters, synthesis of evidence on components of complex interventions, bias adjustment in pairwise and network meta-analysis, allowing for uncertainty due to missing data, extrapolation of survival curves, and combining evidence with heterogeneously reported (but related) outcomes. She has also worked on methods and applications of Value of Information calculations that can be used to prioritise and design new research by comparing the expected benefit in the reduction of uncertainty in the optimal policy decision with the cost of a proposed new study. Nicky leads the Multi-Parameter Evidence Synthesis research group, is Director of the NICE Guidelines Technical Support Unit, Co-Director of the Bristol Technology Assessment Group, Associate Editor for the journal Medical Decision Making, a Fellow of the Royal Statistical Society, and a member of the NICE Technology Appraisals Committee.
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NIHR Evidence Synthesis Group
Higgins, J. P. T., Caldwell, D. M., Savovic, J., Jones, H. E., Cabral, C. L., Macdonald, G. M., Gibson, A. J., Welton, N. J., Sanghera, S., Whiting, P. F., Webster, K. E., Parkhouse, T. L. & Dawson, S.
1/04/23 → 31/03/28
Project: Research, Parent
NICE Guidelines Technical Support Unit (2023-2026)
Welton, N. J., Pedder, H., Downing, B. C., Caldwell, D. M., Thom, H. H. Z. & Higgins, J. P. T.
1/04/23 → 31/03/26
Project: Research, Parent
NICE TAR contract
1/04/22 → 31/03/26
Constructing relative effect priors for research prioritisation and trial design: a meta-epidemiological analysisWelton, N. J., 3 Mar 2023, (Accepted/In press) In: Medical Decision Making.
Research output: Contribution to journal › Article (Academic Journal) › peer-review
Drugs to reduce bleeding and transfusion in major open vascular or endovascular surgery: a systematic review and network meta-analysisBeverly, A., Ong, G., Kimber, C., Sandercock, J., Dorée, C., Welton, N. J., Wicks, P. & Estcourt, L. J., 17 Feb 2023, In: Cochrane Database of Systematic Reviews. 2023, 2, CD013649.
Research output: Contribution to journal › Article (Academic Journal) › peer-reviewOpen Access1 Citation (Scopus)
General Purpose Methods for Simulating Survival Data for Expected Value of Sample Information CalculationsVervaart, M., Aas, E., Claxton, K. P., Strong, M., Welton, N. J., Wisløff, T. & Heath, A., 27 Mar 2023, (E-pub ahead of print) In: Medical Decision Making. p. 272989X231162069 15 p.
Research output: Contribution to journal › Article (Academic Journal) › peer-reviewOpen AccessFile
- 1 Participation in workshop, seminar, course
Evidence Synthesis for Decision Making Short Course
Nicky J Welton (Participant)20 Oct 2013
Activity: Participating in or organising an event types › Participation in workshop, seminar, course