Z I M 
Centre for Informatics

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Contents

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The Company

Main activities of  Z I M 

• Analysing und visualising medico-economical data; development of new graphics.
• Evaluation, development and application of patient classification systems (acut stays, rehabilitation, nursing).
• Research and consulting in health economics.
• Publishing house.

Foundation

Founded 1992
Owner and Director: Wolfram Fischer

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«Streiflichter»

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Research Studies by Wolfram Fischer – Z I M 

• Abstract: University Hospitals and DRGs
  A Survey about Austria, Great Britain, the Netherlands and the USA
  Wolfertswil 2013 (ZIM): 188 pp. / 21 x 15 cm / 62 figures (in German)

• New Graphics to Data Visualisation
  Volume 1: Spoke Plots, Fan Charts, Difference, Sequence and Change Diagrams
  Wolfertswil 2010 (ZIM): 107 pp. / 21 x 15 cm / 43 figures (in German)

• Abstract: Remuneration of Hospital Emergency Services
  Patient Classification Systems and Emergency Flat Rates with DRG-based Remuneration of Inpatient Treatment
  1. Auflage, Wolfertswil 2009 (ZIM): 180 pp. / 21 x 15 cm / 53 figures and tables (in German)

• Statistical Graphics to Assess Patient Classification Systems
  illustrated through the paediatric view on the APDRG system
  Wolfertswil 2008 (ZIM): 169 pp. / 21 x 15 cm / 81 figures and tables (in German)

• Wolfram Fischer et al.
  The TAR-System and Other Patient Classification Systems for Rehabilitation
  TAR Research Report and Brief Descriptions of Systems from Germany, France, Australia, and USA
  Wolfertswil 2006 (ZIM): 89 pp. / 21 x 15 cm / 34 figures and tables (in German)

• New Methods of Hospital Performance Comparisons
  A Workshop Manual for the Visualisation of DRG-Based Data
  Wolfertswil 2005 (ZIM): 160 pp. / 30 x 21 cm / 109 figures and tables (in German)

• Diagnosis Related Groups (DRGs) and Nursing
  Basics, Coding Systems, Possibilities of Integration
  Bern 2002 (Huber): 472 pp. / 24 x 17,5 cm / 367 figures and tables (in German)

• Diagnosis Related Groups (DRGs) and Related Patient Classification Systems
  Description and Evaluation of the Systems: HCFA-DRG, RDRG, AP-DRG, APR-DRG, IAP-DRG, NordDRG (Scandinavia), GHM (France), AR-DRG (Australia), LDF (Austria)
  Wolfertswil 2000 (ZIM): 181 pp. / 30 x 21 cm (in German)

  Additional information about the following further systems is available only on internet:
  CMG (Canada), G-DRG (Germany), HRG (United Kingdom), IR-DRG, MS-DRG, SQLape (Switzerland).

• Diagnosis Related Groups (DRGs) Compared with the Patient Classification Systems of Austria and Germany
  A problem centered discussion of patient classification systems for acute inpatient treatment with regard to their use in remuneration systems
  Wolfertswil 1999 (Z I M): 155 pp., (in German)

• Patient Classification Systems for Grouping Hospital Cases
  Principles and examples
  Bern und Wolfertswil 1997 (BSV + Z I M): 514 pp., (in German)

• The Relevance of Nursing Diagnoses in Health Economics and Health Statistics
  Wolfertswil 1999 (Z I M): 39 pp., (in German)

• Nursing Workload Measurement Systems
  A survey
  Aarau 1995 (H+ Die Spitäler der Schweiz): 124 pp., (in German)

• Possibilities for Measuring the Performance of Hospitals
  Thoughts on a new design of the swiss hospital statistics
  Bern 1994 (BSV - Federal Social Insurance Office): 200 pp., (in German and in French)

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Selected English Papers

Author: Wolfram Fischer

• Do You Speak DRG ?.
  Measuring the Complexity of Labels of Medicare DRGs, AR-DRGs, and G-DRGs by Counting Conjunctions.
  In: Proceedings of the 23rd PCSI International Working Conference, Venezia 2007.
  Internet: http:// www.fischer-zim.ch / paper-en-pdf / DRG-Labels-0711-PCSI.pdf.

• Base-DRGs, Fractionation Coefficient, and Treemaps for the Assessment of the Relative Clinical Homogeneity of DRG Systems.
  In: Revue économique et sociale, Lausanne 2006(64)special issue: 111–144.
  Internet: http:// www.fischer-zim.ch / paper-en-pdf / Relative-Clinical-PCS-Homogeneity-0509.pdf.

• A Comparison of Australian National Cost Weights from 1997/98 until 1999/00.
  In: Proceedings of the 18th PCS/E International Working Conference, Innsbruck 2002: 128–146.
  Internet: http:// fischer-zim.ch / paper-en / CW-AR4-Analysis-0210-PCSE.htm.

• Homogeneity of Nursing Workload Measured by LEP Within AP-DRGs.
  In: Proceedings of the 17th PCS/E International Working Conference, Brugge 2001: 154–161.
  Internet: http:// fischer-zim.ch / paper-en / APDRG-LEP-USZ-0110-PCSE.htm.

• Approaches to Multidimensionality in DRG Development.
  In: Proceedings of the 16th PCS/E International Working Conference, Groningen 2000: 227–230.
  Internet: http:// fischer-zim.ch / paper-en / DRG-Dimensions-0009-PCSE.htm.

• Are DRGs Homogeneous With Regard to Resource Consumption?.
  An Analysis of Coefficients of Variation
  of Some Systems of the DRG Family.
  In: Proceedings of the 16th PCS/E International Working Conference, Groningen 2000: 223–226.
  Internet: http:// fischer-zim.ch / paper-en / PCS-Homogeneity-0009-PCSE.htm.

• A Comparison of PCS Construction Principles of the American DRGs, the Austrian LDF System and the German FP/SE System.
  In: Casemix Quarterly, Padova 2000(2)1: 12–20.
  Internet: http:// fischer-zim.ch / paper-en / PCS-Comparison-9909-PCSE.htm.

• Multidimensionality as an Alternative Approach to Construct Patient Classification Systems.
  In: Proceedings of the 14th PCS/E International Working Conference, Manchester 1998: 294.
  Internet: http:// fischer-zim.ch / paper-en / Multi-Dimensional-PCS-9810-PCSE.htm.

• Comparison of Cost Weight Proportions of Different Patient Classification Systems.
  In: Proceedings of the 13th PCS/E International Working Conference, Florence 1997: 230–234.
  Internet: http:// fischer-zim.ch / paper-en / Cost-Weights-9710-PCSE.htm.

• Design Principles for an Inpatient Rehabilitation Patient Classification System.
  In: Proceedings of the 13th PCS/E International Working Conference, Florence 1997: 227–229.
  Internet: http:// fischer-zim.ch / paper-en / PCS-Reha-Design-9710-PCSE.htm.

• PCS Construction.
  Some Ideas About Concepts and Instrument from an International Perspective.
  Beitrag zum: National Casemix Office International Workshop, London 15./16.4.1996.

• PCS and Casemix Types.
  A Theoretical Approach.
  In: Proceedings of the 11th PCS/E International Working Conference, Oslo 1995: 50–57.
  Internet: http:// fischer-zim.ch / paper-en / PCS-Types-9506-PCSE.htm.

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Other Studies (as Co-Author)

• Fischer W, Blanco J, Butt M, Hund M, Boldt C.
  Abstract: Performance Oriented Payment System for Rehabilitation (LTR).
  First Results for the Patient Classification in Neurological Rehabilitation.
  In: Neurologische Rehabilitation 2010(16)3: S1–S18.
  Abstract: http:// fischer-zim.ch / abstracts-en / LTR-Paper1-SZH-1005-abst-en.htm.

German fulltext: http:// fischer-zim.ch / artikel-pdf / LTR-1005-NeuroRehabil-2010_V16_N3.pdf
• Sermeus W, Weber P, Fischer W, Hunstein D.
  The DRG Imperative: Overview and Nursing Impact.
  In: Weaver et al. [Nursing+Informatics, 2006] 2006: 231–245.

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©  Z I M 
Source = http://fischer-zim.ch/info/zim-en.htm
( latest compilation: 31.05.2022 )