1 Variability analysis - inpatient example - APR-DRG 301

2 APR-DRG 301 Hip Joint Replacement

  Number of stays   Reimbursement   Number of hospitals
SOI   2009 2010 2011 2012   2009 2010 2011 2012   2009 2010 2011 2012
1   12051 12407 12199 12090   45 440 078 46 352 229 45 347 604 45 251 291   108 106 104 104
2   9413 9793 10018 10759   40 191 034 41 062 872 42 285 144 45 752 871   108 106 104 104
3   2723 2518 2701 2901   15 863 926 14 668 136 15 892 898 17 018 040   108 106 104 103
4   370 401 450 434   3 975 807 4 529 510 4 938 633 4 149 030   96 96 96 96

SOI – hospital combinations with less than two stays in 2010 to 2012 were excluded (4, 0.01%)

2.1 Expenditure

2.1.1 Descriptive statistics

SOI n min Q1 median Q3 max mean sd qcod
1 36 696 0 3 412 3 636 3 917 26 240 3 732 785 0.069
2 30 569 0 3 562 3 869 4 503 43 591 4 223 1 417 0.117
3 8 120 22 3 942 5 125 6 861 130 869 5 859 3 781 0.27
4 1 283 31 5 762 8 360 12 841 107 244 10 604 7 950 0.381

2.1.2 Original variable scale

2.1.3 Distribution per hospital

2.2 Length of stay

2.2.1 Descriptive statistics

SOI n min Q1 median Q3 max mean sd qcod
1 36 696 1 6 8 10 240 10 10 0.25
2 30 569 0 7 9 17 258 15 15 0.417
3 8 120 0 9 16 35 303 27 28 0.591
4 1 283 0 18 35 64 316 47 42 0.561

2.2.2 Original variable scale

2.2.3 Distribution per hospital

2.3 Age

2.3.1 Descriptive statistics

SOI n min Q1 median Q3 max mean sd qcod
1 36 696 7 61 71 80 104 70 13 0.135
2 30 569 12 64 73 80 105 71 12 0.111
3 8 120 11 67 76 83 103 74 12 0.107
4 1 283 17 75 82 87 111 80 10 0.074

2.3.2 Original variable scale

2.3.3 Distribution per hospital

2.4 Gender

2.4.1 Descriptive statistics

SOI N dmf
1 36696 0.78
2 30569 0.751
3 8120 0.736
4 1283 0.878

2.4.2 Original variable scale

2.4.3 Distribution per hospital

2.5 Admission type

2.5.1 Descriptive statistics

SOI N dmf
1 36696 0.312
2 30569 0.235
3 8120 0.407
4 1283 0.609

2.5.2 Original variable scale

2.5.3 Distribution per hospital

2.6 Readmission type

2.6.1 Descriptive statistics

SOI N dmf
1 36696 0.499
2 30569 0.641
3 8120 0.694
4 1283 0.661

2.6.2 Original variable scale

2.6.3 Distribution per hospital

2.7 Deceased

2.7.1 Descriptive statistics

SOI N dmf
1 36696 0.009
2 30569 0.024
3 8120 0.051
4 1283 0.756

2.7.2 Original variable scale

2.7.3 Distribution per hospital

2.8 ICD-9-CM subchapter

2.8.1 Descriptive statistics

SOI N dmf
1 36696 0.335
2 30569 0.323
3 8120 0.358
4 1283 0.253

2.8.2 Original variable scale

2.8.3 Distribution per hospital

2.9 Scatterplot matrix

3 Colophon

Title: Clustering pathology groups on hospital stay similarity – Supplement example
Authors: Stephan Devriese (KCE), Carine Van de Voorde (KCE)
Project coordinator: Nathalie Swartenbroekx (KCE)
Reviewers: Claire Beguin (KCE), Carl Devos (KCE), Sophie Gerkens (KCE), Raf Mertens (KCE), Koen Van den Heede (KCE)
External experts and stakeholders: Benoit Collin (INAMI – RIZIV), Michael Daubie (INAMI – RIZIV), Christiaan Decoster (FOD Volksgezondheid – SPF Santé Publique), Jean Legrand (INAMI – RIZIV), Ingrid Mertens (FOD Volksgezondheid – SPF Santé Publique), Suzanne Van Malderen (FOD Volksgezondheid – SPF Santé Publique)
External assessors: Olivier Thas (Universiteit Gent)
External validators: Guy Durant (UCL), Niel Hens (UHasselt), Wilm Quentin (Technische Universität Berlin, Germany)
Acknowledgements: Stefaan Van de Sande (KCE), Karin Rondia (KCE)
Other reported interests: All consulted experts and stakeholders were selected because of their involvement in the topic of this report. Therefore, by definition, each of them might have a certain degree of conflict of interest to the main topic of this report.
Layout: Ine Verhulst
Disclaimer:
  • The external experts were consulted about a (preliminary) version of the scientific report. Their comments were discussed during meetings. They did not co-author the scientific report and did not necessarily agree with its content.
  • Subsequently, a (final) version was submitted to the validators. The validation of the report results from a consensus or a voting process between the validators. The validators did not co-author the scientific report and did not necessarily all three agree with its content.
  • Finally, this report has been approved by common assent by the Executive Board (see http://kce.fgov.be/content/the-board).
  • Only the KCE is responsible for errors or omissions that could persist. The policy recommendations are also under the full responsibility of the KCE.
Publication date: 22 June 2016
Domain: Health Services Research (HSR)
MeSH: Hospital; Health Care Reform; Cluster Analysis; Data Interpretation, Statistical
NLM Classification: WX 157.8
Language: English
Format: html
Legal depot: D/2016/10.273/64
ISSN: 2466-6459
Copyright: KCE reports are published under a “by/nc/nd” Creative Commons Licence http://kce.fgov.be/content/about-copyrights-for-kce-reports.
 
How to refer to this document? Devriese S, Van de Voorde C. Clustering pathology groups on hospital stay similarity – Supplement. Health Services Research (HSR) Brussels: Belgian Health Care Knowledge Centre (KCE). 2016. KCE Reports 270S2. D/2016/10.273/64.
This document is available on the website of the Belgian Health Care Knowledge Centre.