The added value of ordinal analysis in clinical trials: an example in traumatic brain injury.
Roozenbeek B, Lingsma HF, Perel P, Edwards P, Roberts I, Murray GD, Maas AI, Steyerberg EW; IMPACT (International Mission on Prognosis and Clinical Trial Design in Traumatic Brain Injury) Study Group; CRASH (Corticosteroid Randomisation After Significant Head Injury) Trial Collaborators.
Roozenbeek B, et al. Among authors: perel p.
Crit Care. 2011;15(3):R127. doi: 10.1186/cc10240. Epub 2011 May 17.
Crit Care. 2011.
PMID: 21586148
Free PMC article.
Clinical Trial.