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Biometrics/Statistics

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AddStat: study protocol, sample size estimation, statistical analyses with SPSS

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Biometrics/Statistics

... add statistics to your data: statistics/biometrics for your experiments and clinical studies


AddStat provides all statistical and biometrics-related services for your clinical trials, laboratory experiments and investigations.

Statistical aspects of study protocol

  • Definition of endpoints
  • Design of the study, patient's pathway
  • Inclusion and exclusion criteria
  • Estimation of sample size using Internal tools, SAS® 9.2 (PROc Power), NQuery Advisor® 2.0 (Statistical Solutions), PASS 2007 (NCSS)
  • Design of data entry, data management, data validation, data transfer
  • Statistical analysis plan (SAP)
  • Randomisation
  • Documentation, Design of CRF
  • Statistical Report
  • Clinical Report

All these services are conducted according to an internal GCP compliant SOP-system.

Statistical analyses

Statistical analyses are performed using following software: SAS® 9.2, SPSS® 15.0/18.0, NCSS, Medcalc®, Analyse-It®, EquivTestTM 6.0 and R.

Using SAS (or SPSS syntax and SPSS 15.0/18.0 production mode facility), AddStat provides analyses performed under regulated conditions (complete traceability, formal exclusion of any manipulation of data and output).