| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 6151505 | Contemporary Clinical Trials | 2008 | 6 Pages |
Abstract
The run-in period reduces the number of drop-outs after randomization and improves statistical power. In order to retain external validity, it is important to compare participants who remain in the study and those that cancel, and incorporate that in generalizing from the study.
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Authors
Michelle Ulmer, Donald Robinaugh, Jennifer P. Friedberg, Stuart R. Lipsitz, Sundar Natarajan,