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Table 8 The Pearson correlation coefficient between the residuals from the stratified model (inpatient hospital and emergency department) with Potentially Preventable Readmissions (PPR) expenditures and Potentially Preventable Emergency Department Visits (PPV) expenditures respectively from 2011 to 2014

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

 

Index Year

Correlation Coefficient with Residuals

log10(Per-member per-month PPR expenditures of index year)

2011

0.2974

 

2012

0.2638

 

2013

0.2755

 

2014

0.2664

log10((Per-member per-month PPV expenditures of index year)

2011

0.2452

 

2012

0.3214

 

2013

0.3423

 

2014

0.3165

log10(Per-member per-month PPR expenditures of next year)

2011

0.0990

 

2012

0.0972

 

2013

0.0948

log10((Per-member per-month PPV expenditures of next year)

2011

0.0908

 

2012

0.1051

 

2013

0.1121

  1. Residuals and high utilizers are identified from index year