Laura Koopman

Summary

Affiliation: University Medical Center Utrecht
Country: The Netherlands

Publications

  1. ncbi request reprint A systematic review of analytical methods used to study subgroups in (individual patient data) meta-analyses
    Laura Koopman
    Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht, Stratenum 6 131, PO Box 85500, 3508 GA Utrecht, The Netherlands
    J Clin Epidemiol 60:1002-9. 2007
  2. doi request reprint Comparison of methods of handling missing data in individual patient data meta-analyses: an empirical example on antibiotics in children with acute otitis media
    Laura Koopman
    Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands
    Am J Epidemiol 167:540-5. 2008
  3. doi request reprint Antibiotic therapy to prevent the development of asymptomatic middle ear effusion in children with acute otitis media: a meta-analysis of individual patient data
    Laura Koopman
    Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Stratenum 6 131, PO Box 85500, 3508 GA Utrecht, The Netherlands
    Arch Otolaryngol Head Neck Surg 134:128-32. 2008
  4. doi request reprint Empirical comparison of subgroup effects in conventional and individual patient data meta-analyses
    Laura Koopman
    University Medical Center Utrecht, Utrecht, The Netherlands
    Int J Technol Assess Health Care 24:358-61. 2008

Detail Information

Publications4

  1. ncbi request reprint A systematic review of analytical methods used to study subgroups in (individual patient data) meta-analyses
    Laura Koopman
    Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht, Stratenum 6 131, PO Box 85500, 3508 GA Utrecht, The Netherlands
    J Clin Epidemiol 60:1002-9. 2007
    ..To determine whether individual patient data meta-analyses (IPDMA) are used to perform subgroup analyses and to study whether the analytical methods regarding subgroup analyses differ between IPDMA and conventional meta-analyses (CMA)...
  2. doi request reprint Comparison of methods of handling missing data in individual patient data meta-analyses: an empirical example on antibiotics in children with acute otitis media
    Laura Koopman
    Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands
    Am J Epidemiol 167:540-5. 2008
    ..In the authors' empirical example, imputation within trials appears to be the most appropriate approach of handling missing data in individual patient data meta-analyses...
  3. doi request reprint Antibiotic therapy to prevent the development of asymptomatic middle ear effusion in children with acute otitis media: a meta-analysis of individual patient data
    Laura Koopman
    Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Stratenum 6 131, PO Box 85500, 3508 GA Utrecht, The Netherlands
    Arch Otolaryngol Head Neck Surg 134:128-32. 2008
    ..To determine predictors of the development of asymptomatic middle ear effusion (MEE) in children with acute otitis media (AOM) and to assess the effect of antibiotic therapy in preventing the development of MEE in these children...
  4. doi request reprint Empirical comparison of subgroup effects in conventional and individual patient data meta-analyses
    Laura Koopman
    University Medical Center Utrecht, Utrecht, The Netherlands
    Int J Technol Assess Health Care 24:358-61. 2008
    ..Our objective is to compare such subgroup effects using the data of six trials (n = 1,643) on the effectiveness of antibiotics in children with acute otitis media (AOM)...