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Group sequential designs in pragmatic trials: feasibility and assessment of utility using data from a number of recent surgical RCTs.
Parsons NR, Stallard N, Parsons H, Haque A, Underwood M, Mason J, Khan I, Costa ML, Griffin DR, Griffin J, Beard DJ, Cook JA, Davies L, Hudson J, Metcalfe A. Parsons NR, et al. Among authors: underwood m. BMC Med Res Methodol. 2022 Oct 1;22(1):256. doi: 10.1186/s12874-022-01734-2. BMC Med Res Methodol. 2022. PMID: 36183085 Free PMC article.
Facet-joint injections for people with persistent non-specific low back pain (FIS): study protocol for a randomised controlled feasibility trial.
Sandhu H, Ellard DR, Achana F, Antrobus JH, Balasubramanian S, Brown S, Cairns M, Griffiths F, Haywood K, Hutchinson C, Lall R, Petrou S, Stallard N, Tysall C, Walsh DA, Underwood M. Sandhu H, et al. Among authors: underwood m. Trials. 2015 Dec 24;16:588. doi: 10.1186/s13063-015-1117-z. Trials. 2015. PMID: 26703477 Free PMC article. Clinical Trial.
Facet joint injections for people with persistent non-specific low back pain (Facet Injection Study): a feasibility study for a randomised controlled trial.
Ellard DR, Underwood M, Achana F, Antrobus JH, Balasubramanian S, Brown S, Cairns M, Griffin J, Griffiths F, Haywood K, Hutchinson C, Lall R, Petrou S, Stallard N, Tysall C, Walsh DA, Sandhu H. Ellard DR, et al. Among authors: underwood m. Health Technol Assess. 2017 May;21(30):1-184. doi: 10.3310/hta21300. Health Technol Assess. 2017. PMID: 28639551 Free PMC article. Clinical Trial.
1,049 results