Laboratory tests as short-term correlates of stroke
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Published on: November 6, 2019
Trevor Sughrue1,2, Michael A Swiernik1, Yang Huang1
1Kaiser Permanente Southern California, San Diego, CA, USA.
Background:
The widespread adoption of electronic health records provides new opportunities to better predict which patients are likely to suffer a stroke. Using electronic health records, we assessed the correlation of different laboratory tests to future occurrences of a stroke.
Methods:
We examined the electronic health records of 2.4 million people over a two year time span. These records contained 26,964 diagnoses of stroke. Using Cox regression analysis, we measured whether any one of 1796 different laboratory tests were effectively correlated with a future diagnosis of stroke.
Results:
We identified 38 different laboratory tests that had significant short-term (two year) prognostic value for a future diagnosis of stroke. For each of the 38 laboratory tests we also compiled the Kaplan-Meier survival curve, and relative risk ratio that the test confers.
Conclusion:
Several dozen laboratory tests are effective short-term correlates of stroke.
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