Checking in on Healthcare Data Analytics

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Cybera Inc.

Santé

Checking in on healthcare data
analytics
Christopher Naugler
Associate Professor
Pathology and Laboratory Medicine
University of Calgary

Healthcare data
• Transformative changes:
– Accrual of large historic datasets
– Interoperability of systems
– Data warehouses
• Opportunities
– Provide epidemiological data
– Assess value in health spending
– Provide new insights for increasing value

Challenges
• Traditional analytic techniques not scalable to
big data
• Trans border data flows into the United States
and the USA PATRIOT Act
• Need bricks and mortar big data solutions
• Lack of infrastructure
• Lack of expertise

What is big data in pathology?
• Genome sequences: bioinformatics
– Shah NH. Translational bioinformatics embraces big data.
Yearbook of Medical Informatics 2011:7:130-134.
• Imaging analysis and storage
– Mohammed EA, Far BH, Naugler C. Peripheral Blood Smear
Image Analysis: A comprehensive review. Journal of Pathology
Informatics 2014;5:9
• Massive lab/clinical datasets
– Mohammed EA, Far BH, Naugler C. Applications of the
MapReduce Programming Framework to Clinical Big Data
Analysis: Current Landscape and Future Trends. BioData
Mining, in press

Example – Calgary Laboratory data
• Since 2010: 125,000,000 lab tests
• Each with 100+ pieces of metadata
– 1.25 x 1010
data elements
• Linkage to demographic, pharmacy,outcomes
data
– 1.25 x 1012
data elements

Total expenditures by specialty
•Naugler C, Thomas R, Turin TC, Guo M, Vaska M. Am J Clin Pathol in press

Laboratory testing costs by physician
Numberofprimarycarephysicians
Yearly cost of laboratory tests ($CDN)

Redundant laboratory tests
• Morgen E, Naugler C. Am J Clin Pathol in press

PSA testing in the
city of Calgary
Gorday, W, Sadzradeh H, de
Koning L, Naugler C.
Sociodemographic variables
associated with PSA testing.
Clin Biochem 2014;47:164-169.

Colon Cancer
Screening
• There is marked
variation in
screening rates
throughout Calgary,
related to a number
of sociodemographic
factors
• Crouse AL, Sadrzadeh H, de
Koning L, Naugler C. Clin
Biochem 2015;48:105-109.

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