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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