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Without
having done the second study, could one have drawn the same
conclusion? That is, could one just display the 12/40 patients
in the first trial with clonidine response surpassing placebo
and infer that there is a clonidine-response subset?
You
answered:
No.
CORRECT
Even if a drug lacks any analgesic
actions, many patients will have less pain during drug than
placebo treatment by chance alone.
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