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    Data Analytics Insights, Healthcare

    5 Reasons Healthcare Data Is Unique and Difficult to Measure

    May 18, 2020 Bestarion
    Information technology

    Those of us who work with data tend to think in very structured, linear terms. We like B to follow A and C to follow B, not just some of the time, but all the time. Healthcare data isn’t that way. It’s both diverse and complex making linear analysis useless.

    There are several characteristics of healthcare data that make it unique. Here are five, in particular

    1. Much of the data is in multiple places.

    Location of healthcare dataHealthcare data tends to reside in multiple places. From different source systems, like EMRs or HR software, to different departments, like radiology or pharmacy. The data comes from all over the organization. Aggregating this data into a single, central system, such as an enterprise data warehouse (EDW), makes this data accessible and actionable.

    Healthcare data also occurs in different formats (e.g., text, numeric, paper, digital, pictures, videos, multimedia, etc.). Radiology uses images, old medical records exist in paper format, and today’s EMRs can hold hundreds of rows of textual and numerical data.

    Sometimes the same data exists in different systems and in different formats. Such is the case with claims data versus clinical data. A patient’s broken arm looks like an image in the medical record but appears as ICD-9 code 813.8 in the claims data.

    And it looks like the future holds even more sources of data, like patient-generated tracking from devices like fitness monitors and blood pressure sensors.

    2. The data is structured and unstructured.

    Healthcare data structureElectronic medical record software has provided a platform for consistent data capture, but the reality is data capture is anything but consistent. For years, documenting clinical facts and findings on paper has trained an industry to capture data in whatever way is most convenient for the care provider with little regard for how this data could eventually be aggregated and analyzed. EMRs attempt to standardize the data capture process, but care providers are reluctant to adopt a one-size-fits-all approach to documentation. Thus, unstructured data capture is often allowed to appease the frustrated EMR users and avoid hindering the care delivery process. As a result, much of the data captured in this manner is difficult to aggregate and analyze in any consistent manner. As EMR products improve, as users become trained to standard workflows, and as care providers become more accustomed to entering data in structured fields as designed, we will have more and better data for analytics.

    An example of the above phenomenon is found in a recent initiative to reduce unnecessary C-sections at a large health system in the Northwest. The first task for the team was to understand how the indications for C-section were documented in the EMR. It turned out that there were only two options to choose from: 1) fetal indication and 2) maternal indication. Because these were the only two options, delivering clinicians would often choose to document the true indication for C-section in a free text form, while others did not document it at all. Well, this was not conducive to understanding the root cause of unnecessary C-sections. So, the team worked with an analyst to modify the list of available options in the EMR so that more detail could be added. After making this slight modification to the data capture process, the team gained tremendous insight, and identified opportunities to standardize care delivery and reduce unnecessary C-sections.

    3. Inconsistent/variable definitions; Evidence-based practice and new research is coming out every day.

     

    Healthcare data definitionsOftentimes, healthcare data can have inconsistent or variable definitions. For example, one group of clinicians may define a cohort of asthmatic patients differently than another group of clinicians. Ask two clinicians what criteria are necessary to identify someone as a diabetic and you may get three different answers. There may just not be a level of consensus about a particular treatment or cohort definition.

    Also, even when there is consensus, the consenting experts are constantly discovering newly agreed-upon knowledge. As we learn more about how the body works, our understanding continues to change of what is important, what to measure, how and when to measure it, and the goals to target. For example, this year most clinicians agree that a diabetes diagnosis is an Hg A1c value above 7, but next year it’s possible the agreement will be something different.

    There are best practices established in the industry, but there’s always ongoing discussion in the way those things are defined. Which means you’re trying to create order out of chaos and hit a target that’s not only moving but seems to be moving in a way you can’t predict.

    4. The data is complex.

    Healthcare data complexityClaims data has been around for years and thus it has been standardized and scrubbed. But this type of data is incomplete. Clinical data from sources like EMRs give a more complete picture of the patient’s story.

    While developing standard processes that improve quality is one of the goals in healthcare, the number of data variables involved makes it far more challenging. You’re not working with a finite number of identical parts to create identical outcomes. Instead, you’re looking at an amalgam of individual systems that are so complex we don’t even begin to profess we understand how they work together (that is to say, the human body). Managing the data related to each of those systems (which is often being captured in disparate applications), and turning it into something usable across a population, requires a far more sophisticated set of tools than is needed for other industries like manufacturing.

    5. Changing Regulatory Requirements.

     

    Healthcare regulations and requirementsRegulatory and reporting requirements also continue to increase and evolve. CMS needs quality reports around measures like readmissions, and healthcare reform means more transparent quality and pricing information for the public. The shift to value-based purchasing models will only add to the reporting burden for healthcare organizations.

     

    Source: https://www.healthcatalyst.com/insights/5-reasons-healthcare-data-is-difficult-to-measure/

     
     

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    One comment

    1. ปั้มไลค์

      June 21, 2020 / 12:03 pm

      Like!! I blog frequently and I really thank you for your content. The article has truly peaked my interest.

    Comments are closed.

    Table of ContentsToggle Table of ContentToggle

    • 1. Much of the data is in multiple places.
    • 2. The data is structured and unstructured.
    • 3. Inconsistent/variable definitions; Evidence-based practice and new research is coming out every day.
    • 4. The data is complex.
    • 5. Changing Regulatory Requirements.
      • Tags

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