Efficacy of antidepressants over placebo is similar in two-armed versus three-armed or more-armed randomized placebo-controlled trials.
<h4>Objective</h4> <p>Previous studies reported effect sizes of antidepressants were larger in two- than in three- or more-armed (“multi-armed”) randomized trials, where the probability to be allocated to placebo is smaller. However, two-armed studies may have been subject to publ...
| Main Authors: | , , , , , , , |
|---|---|
| 格式: | Journal article |
| 语言: | English |
| 出版: |
Lippincott, Williams and Wilkins
2017
|