Predicting Risk of Hospitalization and Death
SD Fihn MD MPH Office of Analytics and Business Intelligence Veterans Health Administration
June 2016
Predicting Risk of Hospitalization and Death SD Fihn MD MPH Office - - PowerPoint PPT Presentation
Predicting Risk of Hospitalization and Death SD Fihn MD MPH Office of Analytics and Business Intelligence Veterans Health Administration June 2016 Care Assessment Need (CAN) Score Initial CAN developed from data on 4.5M veterans enrolled
SD Fihn MD MPH Office of Analytics and Business Intelligence Veterans Health Administration
June 2016
VETERANS HEALTH ADMINISTRATION
– ~90 input variables from 7 domains in corporate data warehouse
– Reduced to 36 input variables including composite SES index derived from US CENSUS American Community Survey plus Rank & Service Branch from VA/DOD Identity repository . – Improved concordance (C-statistic) and calibration – Weekly report provides CAN scores & probabilities for 3 outcomes at 90d and 1yr: Mortality, Hospitalization, Mortality or Hospitalization
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VETERANS HEALTH ADMINISTRATION
Demographics Utilization Chronic Illness Pharmacy
Age Group Air Force Flag Eligibility (1, [2-4], 5+) Rank Flag (Officer vs Enlisted) Marital Status Priority SES index Sex
Vital Signs
BMI (≥40) Weight Variability HR (80-60) Resp Rate (≥20) Sys & Dias BP
All Inpatient Emergency Care Cardiology CT Mental Health Other Non-Face Primary Care (PC) Phone Care PC Phone Care
Deyo-Charlson Score HCCs: AFib and CHF Dementia Mental Health and PTSD Metastatic Cancer Alcohol Chronic Airway Obstruction
Lab/Radiology
Lymphocytes (Low) Red Blood Cells (Low) Sodium (Low) White Blood Cells (High)
Antipsychotic Beta-blocker Benzodiazepine Beta agonist nebulizer Furosemide Statin Metformin NSAID Furosemide Tablets
Text Notes
VETERANS HEALTH ADMINISTRATION
Hospitalization - 1 year 0.81 Hospitalization - 90 day 0.83 Mortality - 1 year 0.85 Mortality - 90 day 0.87 Veterans in highest %ile of risk have 58% probability of admission, 23% probability of death, and 64% probability of either event.
VETERANS HEALTH ADMINISTRATION
VETERANS HEALTH ADMINISTRATION
1-yr likelihood
1.86% - 5.93% 5.94% - 7.00% 7.01% - 7.97% 7.98% - 9.21% 9.22% - 16.99%
1-yr likelihood of admission or death
2.37% - 9.03% 9.04% - 10.01% 10.02% - 10.96% 10.97% - 12.18% 12.19% - 19.34%
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Fihn, et al Health Affairs 2014
VETERANS HEALTH ADMINISTRATION
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May underestimate usage because nurse care managers download data for several providers & data can be downloaded directly from regional data warehouses
500 1000 1500 2000 2014 2015 2016
2,000 3,000 4,000 5,000 6,000 7,000 8,000 2016 2015 2014
VETERANS HEALTH ADMINISTRATION
VETERANS HEALTH ADMINISTRATION
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92% 64% 25% 19% 4% 8% 10% 3% 96% 38% 42% 7% 7% 14% 0% 11% 9% 43% 19% 83% 9% 4% 7% 8% 70% 33%
16%
0% 2% 15% 8% 45% 13% 19% 100%
Drug Abuse Depression Anxiety Diabetes Renal Failure CHF Tumor
VETERANS HEALTH ADMINISTRATION
RELEASE 1 (Dec 2013)
RELEASE 2 (Jun 2015)
for all active primary care patients (>5M)
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Web application to provide Patient Aligned Care Teams (PACT) with tools to identify and coor- dinate care for paneled patients, especially those at highest risk.
VETERANS HEALTH ADMINISTRATION
RELEASE 3.0 (2016)
and Clinical Training Resources
IMPLEMENTATION
with PCAS 2.0
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