Healthcare System Dynamics - Data Science...Big Data to Knowledge (BD2K), NIH/NCI U01 CA198934...
Transcript of Healthcare System Dynamics - Data Science...Big Data to Knowledge (BD2K), NIH/NCI U01 CA198934...
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Healthcare System Dynamics
http://HealthcareSystemDynamics.org
Denis Agniel1, Nick Benik1, Katy Borner2, Nick Brown1, Daniel Halsey2, Isaac Kohane1,
Daniel O’Donnell2, Griffin Weber1
1Harvard Medical School; 2Indiana University
Big Data to Knowledge (BD2K), NIH/NCI U01 CA198934
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Healthcare System DynamicsClinical data reflect both patients’ health AND their interactions with the healthcare system.
Patient Pathophysiology Healthcare System Dynamics Data Quality
Patient DemographicsDiagnosesLaboratory Test ResultsVital SignsGenetic Markers
Number of Observations Time of Day of ObservationsTime Between ObservationsCost of a Test or TreatmentClinical Setting / Clinician Type
Data Entry ErrorsDictation MistakesData Compression LossUnstructured DataMissing Data
EHR
Clinician
Electronic Health Record Data
ClinicalEncounter
Patient
Patient Pathophysiology
Healthcare System Dynamics Normal Abnormal
Normal Best Outcomes
Moderate Outcomes
Abnormal Moderate Outcomes
Worst Outcomes
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Daily HSD Cycles in Clinical Data
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Weekly HSD Cycles in Clinical Data
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Yearly HSD Cycles in Clinical Data
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Using HSDTo PredictOutcomes
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Survival 3 Years After a WBC Test
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3-Year Survival After a WBC by Value and Hour
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3-Year Survival After a WBC by Value and Weekday
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3-Year Survival After a WBC by Value and Interval
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HSD for 277 Common Lab Tests
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PredictingSurvival Using“Fact Count”
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Fact Count (over 8.5 years) by Age & Gender
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Fact Count Growth & Survival Chart (Male)
Horizontal blue curves with rectangular labels are five year fact count percentiles. Vertical red curves with hexagonal labels are three year survival curves. Data are from 7/28/2001 to 7/27/2009. All patients had at least one fact between 7/28/2005 and 7/27/2006. The “current” age is the patient age on 7/27/2006. This chart represents only male patients.
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Fact Count Growth & Survival Chart (Male)
Horizontal blue curves with rectangular labels are five year fact count percentiles. Vertical red curves with hexagonal labels are three year survival curves. Data are from 7/28/2001 to 7/27/2009. All patients had at least one fact between 7/28/2005 and 7/27/2006. The “current” age is the patient age on 7/27/2006. This chart represents only male patients.
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Fact Count Growth & Survival Chart (Male)
Horizontal blue curves with rectangular labels are five year fact count percentiles. Vertical red curves with hexagonal labels are three year survival curves. Data are from 7/28/2001 to 7/27/2009. All patients had at least one fact between 7/28/2005 and 7/27/2006. The “current” age is the patient age on 7/27/2006. This chart represents only male patients.
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AddingHSD
To i2b2
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HSD Ontology for i2b2
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Survival by Time of Day Heatmap
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Fact Count by Age Visualization
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We need your help!
• Try our i2b2 demo & download HSD ontologyhttp://HealthcareSystemDynamics.org
• Feedback, suggestions, questions, [email protected]
• Participate in our upcoming Focus Groups
• Incorporate HSD into your research projects