Lydia Guittet

Summary

Country: France

Publications

  1. ncbi A priori postulated and real power in cluster randomized trials: mind the gap
    Lydia Guittet
    Département d Epidémiologie, Biostatistique et Recherche Clinique, Groupe Hospitalier Bichat Claude Bernard AP HP Université Paris 7, Paris, France
    BMC Med Res Methodol 5:25. 2005
  2. ncbi Planning a cluster randomized trial with unequal cluster sizes: practical issues involving continuous outcomes
    Lydia Guittet
    Département d Epidémiologie, Biostatistique et Recherche Clinique, Groupe Hospitalier Bichat Claude Bernard AP HP, Université Xavier Bichat, Paris, France
    BMC Med Res Methodol 6:17. 2006
  3. ncbi Reporting methods of blinding in randomized trials assessing nonpharmacological treatments
    Isabelle Boutron
    INSERM, U738, Paris, France
    PLoS Med 4:e61. 2007
  4. ncbi Methods of blinding in reports of randomized controlled trials assessing pharmacologic treatments: a systematic review
    Isabelle Boutron
    INSERM U738, Paris, France
    PLoS Med 3:e425. 2006

Detail Information

Publications4

  1. ncbi A priori postulated and real power in cluster randomized trials: mind the gap
    Lydia Guittet
    Département d Epidémiologie, Biostatistique et Recherche Clinique, Groupe Hospitalier Bichat Claude Bernard AP HP Université Paris 7, Paris, France
    BMC Med Res Methodol 5:25. 2005
    ..The intraclass correlation coefficient (ICC) defines the clustering effect and be specified during planning. The aim of this work is to study the influence of the ICC on power in cluster randomized trials...
  2. ncbi Planning a cluster randomized trial with unequal cluster sizes: practical issues involving continuous outcomes
    Lydia Guittet
    Département d Epidémiologie, Biostatistique et Recherche Clinique, Groupe Hospitalier Bichat Claude Bernard AP HP, Université Xavier Bichat, Paris, France
    BMC Med Res Methodol 6:17. 2006
    ..At the planning stage, sample size calculations usually consider an average cluster size without taking into account any potential imbalance in cluster size. However, there may exist high discrepancies in cluster sizes...
  3. ncbi Reporting methods of blinding in randomized trials assessing nonpharmacological treatments
    Isabelle Boutron
    INSERM, U738, Paris, France
    PLoS Med 4:e61. 2007
    ..The purpose of this study was to systematically describe the strategies used to obtain blinding in a sample of randomized controlled trials of nonpharmacological treatment...
  4. ncbi Methods of blinding in reports of randomized controlled trials assessing pharmacologic treatments: a systematic review
    Isabelle Boutron
    INSERM U738, Paris, France
    PLoS Med 3:e425. 2006
    ....