checking in on healthcare data analytics

Checking in on healthcare data analytics

Christopher NauglerAssociate Professor

Pathology and Laboratory MedicineUniversity 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

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Calgary TSH Test

Edmonton TSH Test

Total expenditures by specialty

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

Laboratory testing costs by physicianN

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Yearly cost of laboratory tests ($CDN)

Redundant laboratory tests

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

Abnormal Rate per Number of Tests

ROCs for FIT screening

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.

Contact

• [email protected]