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Table 6 DEA window analysis for pure technical efficiency over 7 years

From: The application of DEA (Data Envelopment Analysis) window analysis in the assessment of influence on operational efficiencies after the establishment of branched hospitals

 

M-3

M-2

M-1

M

M + 1

M + 2

M + 3

Avg

A

Window1

0.9910

0.9910

1.0000

    

0.9940

Window2

 

0.9880

1.0000

1.0000

   

0.9960

Window3

  

1.0000

0.9590

1.0000

  

0.9863

Window4

   

0.9390

0.9790

1.0000

 

0.9727

Window5

    

0.9570

1.0000

1.0000

0.9857

B

Window1

0.9650

1.0000

1.0000

    

0.9883

Window2

 

1.0000

1.0000

1.0000

   

1.0000

Window3

  

1.0000

0.9970

1.0000

  

0.9990

Window4

   

1.0000

0.9810

1.0000

 

0.9937

Window5

    

0.9390

0.9550

1.0000

0.9647

C

Window1

1.0000

1.0000

1.0000

    

1.0000

Window2

 

1.0000

1.0000

1.0000

   

1.0000

Window3

  

1.0000

0.9310

1.0000

  

0.9770

Window4

   

1.0000

0.9730

1.0000

 

0.9910

Window5

    

1.0000

0.9820

1.0000

0.9940

D

Window1

0.9650

0.9060

0.9250

    

0.9320

Window2

 

0.9060

0.9240

0.8890

   

0.9063

Window3

  

0.9250

0.9210

1.0000

  

0.9487

Window4

   

1.0000

1.0000

0.9470

 

0.9823

Window5

    

1.0000

0.9570

0.9460

0.9677

E

Window1

1.0000

1.0000

1.0000

    

1.0000

Window2

 

1.0000

1.0000

0.9750

   

0.9917

Window3

  

1.0000

1.0000

1.0000

  

1.0000

Window4

   

1.0000

0.9820

1.0000

 

0.9940

Window5

    

1.0000

1.0000

1.0000

1.0000

 

Avg

0.9842

0.9791

0.9849

0.9741

0.9874

0.9841

0.9892

0.9833