Emilie Vierron

Summary

Country: France

Publications

  1. ncbi request reprint Sample size calculation for multicenter randomized trial: taking the center effect into account
    Emilie Vierron
    INSERM CIC 202, Universite Francois Rabelais, Tours, CHRU de Tours, France
    Contemp Clin Trials 28:451-8. 2007
  2. doi request reprint Center effect on ankle-brachial index measurement when using the reference method (Doppler and manometer): results from a large cohort study
    Emilie Vierron
    INSERM, CIC 202, Tours, France
    Am J Hypertens 22:718-22. 2009
  3. pmc Design effect in multicenter studies: gain or loss of power?
    Emilie Vierron
    INSERM, CIC 202, Tours, France
    BMC Med Res Methodol 9:39. 2009

Detail Information

Publications3

  1. ncbi request reprint Sample size calculation for multicenter randomized trial: taking the center effect into account
    Emilie Vierron
    INSERM CIC 202, Universite Francois Rabelais, Tours, CHRU de Tours, France
    Contemp Clin Trials 28:451-8. 2007
    ..This work allows for adjusting and reducing the sample size according to the magnitude of the center effect and leads to a better consistency in the conduct of multicenter randomized trials...
  2. doi request reprint Center effect on ankle-brachial index measurement when using the reference method (Doppler and manometer): results from a large cohort study
    Emilie Vierron
    INSERM, CIC 202, Tours, France
    Am J Hypertens 22:718-22. 2009
    ..We aimed to assess, in a French multicenter cohort, the center effect associated with arterial pressure (AP) and ABI measurements using the reference method and using a semiautomatic device...
  3. pmc Design effect in multicenter studies: gain or loss of power?
    Emilie Vierron
    INSERM, CIC 202, Tours, France
    BMC Med Res Methodol 9:39. 2009
    ..Such a clustering is usually assessed through the design effect, defined as a ratio of two variances. The aim of this work was to describe and understand situations where the design effect involves a gain or a loss of power...