Calculation of sample size for stroke trials assessing functional outcome: comparison of binary and ordinal approaches
(2008)
Journal Article
The Optimising Analysis of Stroke Trials Collaboration, O. (2008). Calculation of sample size for stroke trials assessing functional outcome: comparison of binary and ordinal approaches. International Journal of Stroke, 3(2), https://doi.org/10.1111/j.1747-4949.2008.00184.x
Background Many acute stroke trials have given neutral
results. Sub-optimal statistical analyses may be failing to
detect efficacy. Methods which take account of the ordinal
nature of functional outcome data are more efficient. We
compare sample...
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