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Table 2 Possible composite hypotheses of testing for effectiveness and safety

From: Innovative thinking of clinical investigation for rare disease drug development

 

Safety

Na

Sb

Ec

Effectiveness

   

N

NN

NS

NE

S

SN

SS

SE

E

EN

ES

EE

  1. a N = non-inferiority
  2. b S = superiority
  3. c E = equivalence