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Table 9 Potentially Preventable Emergency Department Visits (PPV) statistics of index year and next year for high utilizers versus other patients

From: Expenditure variations analysis using residuals for identifying high health care utilizers in a state Medicaid program

  Index year High Utilizers (High Residuals) Other Patients
Average number of PPVs in index year 2011 1.51 1.37
  2012 3.10 1.89
  2013 3.23 1.95
  2014 2.99 1.88
Average PPV expenditures in index year, $ 2011 1815.21 747.62
  2012 3444.05 698.43
  2013 3653.24 703.12
  2014 3986.26 664.19
Average number of PPVs in next year 2011 1.87 1.75
  2012 2.46 1.71
  2013 2.48 1.69
Average PPV expenditures in next year, $ 2011 1083.07 750.32
  2012 1453.91 653.90
  2013 1495.37 647.75
  1. Residuals and high utilizers are identified from index year. Per-member per-month emergency department expenditures is the dependent variable of the model