Data Analysis & Study Planning

Dr. Volker W. Rahlfs, CStat

Over 40 years of experience


  • Founded 1967 as first German Biometric CRO
  • President: Dr. Volker W. Rahlfs,  CStat.
  • Senior Statistical Consultant: J.C. Vester Member of the Board of Directors of the SSNN. 



Selection of milestones

  • 1978/1980 First publication of correct analysis method for crossover, Biom.J
  • 1984 First large-scale high precision RTC in Traumatic Brain Injury (GUDHIS)
  • 1985 First publication of permutational exact algorithms (first worldwide), Biom.J.
  • 1987/1988 First publication of alpha value for equivalence testing(several journals)
  • 2000/2003 First publication of exact tests for difference in binary data(several journals)
  • 2008 First implementation of risk-based centralized statistical monitoringfor multicontinental large-scale RCTs (ISCCS)
  • 2009 First presentation ISCCS, EMA London, MPA Stockholm
  • 2014 Novel procedures for effect size measures, Stroke
  • 2014 First multidimensional TBI trial with full outcome scales (CAPTAIN) methodology
    paper J Neurotrauma


Publications & clinical research

  • Technical Publications: 48
  • Overall Publications: 156
  • Overall clinical research projects: > 800


Overview

Technical Publications: 48

Overall Publications: 156

Overall clinical research projects : 800+