Comparison of intent-to-treat analysis strategies for pre-post studies with loss to follow-up
In pre-post studies when all outcomes are completely observed, previous studies have shown that analysis of covariance (ANCOVA) is more powerful than a change-score analysis in testing the treatment effect. However, there have been few studies comparing power under missing post-test values. This pap...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2018-09-01
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| Series: | Contemporary Clinical Trials Communications |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2451865417301941 |