Journal of Clinical Epidemiology
Volume 59, Issue 9 , Pages 920-925, September 2006

ANCOVA versus change from baseline had more power in randomized studies and more bias in nonrandomized studies

Department of Methodology & Statistics, Research Institute Caphri, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands

Accepted 13 July 2005. published online 24 June 2006.

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PII: S0895-4356(06)00081-3

doi:10.1016/j.jclinepi.2006.02.007

Refers to erratum:

  • Erratum to “ANCOVA versus change from baseline had more power in randomized studies and more bias in nonrandomized studies” [J Clin Epidemiol 59 (2006) 920–925]

    Gerard J.P. Van Breukelen
    Journal of Clinical Epidemiology December 2006 (Vol. 59, Issue 12, Page 1334)

Journal of Clinical Epidemiology
Volume 59, Issue 9 , Pages 920-925, September 2006

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