Group sequential designs in pragmatic trials : feasibility and assessment of utility using data from a number of recent surgical RCTs

Parsons, N R, Stallard, N, Parsons, H, Haque, A, Underwood, M, Mason, J, Khan, I, Costa, M L, Griffin, D R, Griffin, J, Beard, D J, Cook, J A, Davies, L, Hudson, J & Metcalfe, A 2022, 'Group sequential designs in pragmatic trials : feasibility and assessment of utility using data from a number of recent surgical RCTs', BMC Medical Research Methodology, vol. 22, no. 1, 256. https://doi.org/10.1186/s12874-022-01734-2