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118 Part II • Descriptive Analytics

Enterprise Data Warehouse
One management and analytical platform
for product configuration, warranty,
and diagnostic readout data

Reduced Reduced Warranty Improved Cost of Accurate IT Architecture
Infrastructure Expense Quality Environmental Standardization
Expense Improved reimbursement Faster identification, One strategic platform for
2/3 cost reduction through accuracy through improved prioritization, and Performance business intelligence and
data mart consolidation claim data quality resolution of quality issues Reporting compliance reporting

figure 3.2 Data-Driven Decision Making—Business Benefits of an Enterprise Data Warehouse.

Application Case 3.2

Data Warehousing Helps MultiCare Save More Lives
In the spring of 2012, leadership at MultiCare Health leaders and to drive accountability for performance
System (MultiCare)—a Tacoma, Washington–based improvement.
health system—realized the results of a 12-month Because it proved difficult to define sepsis due
journey to reduce septicemia. to the complex comorbidity factors leading to sep-
The effort was supported by the system’s ticemia, MultiCare partnered with Health Catalyst
top leadership, who participated in a data-driven to refine the clinical definition of sepsis. Health
approach to prioritize care improvement based on Catalyst’s data work allowed MultiCare to explore
an analysis of resources consumed and variation in around the boundaries of the definition and to ulti-
care outcomes. Reducing septicemia (mortality rates) mately settle on an algorithm that defined a septic
was a top priority for MultiCare as a result of three patient. The iterative work resulted in increased con-
hospitals performing below, and one that was per- fidence in the severe sepsis cohort.
forming well below, national mortality averages.
In September 2010, MultiCare implemented system-Wide critical care collaborative
Health Catalyst’s Adaptive Data Warehouse, a The establishment and collaborative efforts of per-
healthcare-specific data model, and subsequent clin- manent, integrated teams consisting of clinicians,
ical and process improvement services to measure technologists, analysts, and quality personnel were
and effect care through organizational and process essential for accelerating MultiCare’s efforts to
improvements. Two major factors contributed to the reduce septicemia mortality. Together the collabora-
rapid reduction in septicemia mortality.
tive addressed three key bodies of work—standard
of care definition, early identification, and efficient
clinical Data to Drive improvement delivery of defined-care standard.
The Adaptive Data Warehouse™ organized and sim- standard of care: severe sepsis
plified data from multiple data sources across the Order set
continuum of care. It became the single source of
truth requisite to see care improvement opportuni- The Critical Care Collaborative streamlined several
ties and to measure change. It also proved to be an sepsis order sets from across the organization into
important means to unify clinical, IT, and financial one system-wide standard for the care of severely

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