Rolf Lefering

Institute for Research in Operative Medicine (IFOM)
 

Clinical research

• Planning and evaluation of clinical studies
• Outcome evaluation (target values, follow-up data; TISS)
• Quality of life (development/validation of instruments; POLO chart for trauma patients)
• Scoring systems (development, evaluation; RISC score)
• Intensive care medicine (scores, quality assurance, economics; TISS-28)
• Traumatology - emergency medicine and polytrauma, quality assurance
• Endoscopic surgery
• Cochrane Collaboration - Review Group on appendectomy
• Economic analyses (intensive care medicine; trauma surgery)
• Quality assurance (DGU trauma register; DIVI register)

Biometrics (key areas)

• Multivariate statistical methods
• Classification tree analyses (CART)
• Non-randomised therapy comparisons: Propensity score
• Development + validation of score systems
• Meta-analyses
• Reviewer activities

Significant participation in third-party funded projects

• Trauma registry of the German Society for Trauma Surgery Trauma Register of the German Society of Trauma Surgery DGU (DFG: NE 385 / 5-1 to 5-4); Member of the DGU Polytrauma Working Group
• Research consortia "Neurotrauma NRW" (BMBF: 01 KO 9808/5) Head of the office
• Interdisciplinary working group "Quality Management in Intensive Care Medicine" of the DIVI
   

Education/degrees

Since Nov. 2010
Professorship for health care research in surgical medicine at Witten/Herdecke University

2006
Postdoctoral university lecturing qualification (topic: Development and validation of a new trauma scoring system for polytrauma patients in the DGU trauma registry)

Sep. 1996
Doctoral studies (Dr. rer. medic.) at the Medical Faculty of the University of Cologne (Topic: Classification trees - A multivariate prognosis model in clinical application and in comparison to logistic regression)

June 1989
Diploma in Mathematics, University of Münster

1981 - 1989
Study of Mathematics (Diploma) with minor subject Biology at the Westfälische Wilhelms-University, Münster

Appointments

Since Nov. 2005
Initially academic staff and deputy head, then head of the Institute for Research in Operative Medicine (IFOM) at the private Witten/Herdecke University in Cologne-Merheim

July 1989 - Oct. 2005
Research assistant in the Biochemical and Experimental Department (Head: Prof. Dr E. Neugebauer) at the II. Department of Surgery at the University of Cologne in Cologne-Merheim

Oct. 1985 - March 1989
Stud. Assistant for Computer Science, Department of Mathematics; WWU Münster

Oct. 1984 - June 1985
Stud. Student assistant at the distance studies university-GH-Hagen
 

• Lectures; seminars; practical blocks - organisation, evaluation
• Clinic-internal colloquia
• Workshops (statistics, outcome, EBM, literature evaluation, etc.)
• Doctoral student supervision and seminars
• Graduates of the "Learning to teach" course
   

Memberships in scientific professional associations

• German Society for Medical Informatics, Biometry and Epidemiology (GMDS)
• Section "Surgical Research" of the German Society of Surgery
• Surgical Association for Clinical Research in Europe (SACRE)
• Association for Medical Education (GMA) Society for Complexity in Acute Illness (SCAI)