Estimate at your peril: Imputation methods for patient withdrawal can bias efficacy outcomes in chronic pain trials using responder analyses

ISSN
0304-3959
Date Issued
2012
Author(s)
Moore, R. Andrew
Eccleston, Christopher
Derry, Sheena
Aldington, Dominic
Wiffen, Phillip J.
Bell, Rae F.
Hamunen, Katri
Phillips, Ceri J.
McQuay, Henry J.
DOI
10.1016/j.pain.2011.10.004