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Table 1 Evaluation of the intervention effects in an acupuncture trial using the TIGER design

From: Target dIsease-Guided placEbo-contRolled (TIGER) design: a novel method for clinical trials of acupuncture

Target disease Arm one Arm two
Migraine Real acupuncture effects plus placebo effectsa Real acupuncture effectsb
Constipation (pseudo) Real acupuncture effectc Real acupuncture effects plus placebo effectsd
  1. abcdRepresent the effective rate of the four analytical units. TIGER, target disease-guided placebo-controlled.