Distinguished Hospital Award Patient SafetyTM Methodology 2007 - 4
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May not be reprinted or reproduced without permission from Health Grades, Inc.
Appendix A: Case Mix Index Levels
Hospitals were assigned one of eight CMI levels. The Distinguished Hospital Award for Patient Safety
TM
recipients were categorized according to their 2005 index as follows.
CMI Index
CMI
Group
# of Award
Recipients
0.00 < CMI < 1.25
1
17
1.25 < CMI < 1.35
2
33
1.35 < CMI < 1.45
3
38
1.45 < CMI < 1.55
4
51
1.55 < CMI < 1.65
5
39
1.65 < CMI < 1.75
6
29
1.75 < CMI < 1.90
7
21
CMI > 1.90
8
14
Appendix B: Summary of Major Changes to AHRQ Patient Safety
Indicators (in QI Windows Software Version 3.0a)
Patient Safety Indicator
New Changes in Version 3.0a
Death in low mortality DRGs
·
Based on the 2003 National Inpatient Sample (previously
1997).
·
No longer risk-adjusted by AHRQ. HealthGrades applied a
risk-adjustment based on age, gender, and DRG.
Decubitus ulcer
·
Excludes patients transferred from an acute care facility.
·
Excludes patients with a procedure for debridement or
pedicle graft before or on the same day as the major
operating room procedure (surgical cases only).
·
Excludes patients with a diagnosis code of spina bifida or
anoxic brain damage.
Foreign body left during
procedure
·
No longer risk-adjusted (was previously adjusted for age,
gender, DRG and comorbidity categories).
Iatrogenic pneumothorax
·
Excludes patients with a diagnosis of diaphragmatic surgery
repair and pleural effusion.
Post-operative physiologic and
metabolic derangements
·
Excludes patients with chronic renal failure.
Post-operative respiratory failure
·
Excludes patients with a diagnosis of a neuromuscular
disorder.
Post-operative wound dehiscence
·
Excludes patients with a length of stay < 2 days.
·
Excludes patients with a diagnosis for an
immunocompromised state.
Selected infections due to
medical care
·
Excludes patients with a length of stay < 2 days.
