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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...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Wenna Xi, Michael L. Pennell, Rebecca R. Andridge, Electra D. Paskett
Format: Artigo
Sprache:Inglês
Veröffentlicht: Elsevier 2018-09-01
Schriftenreihe:Contemporary Clinical Trials Communications
Online Zugang:http://www.sciencedirect.com/science/article/pii/S2451865417301941
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