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Table 7 DEA window analysis for scale 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

0.6940

0.7070

0.7030

    

0.7013

Window2

 

0.7450

0.7370

0.7230

   

0.7350

Window3

  

0.7540

0.7690

0.7340

  

0.7523

Window4

   

0.7420

0.7220

0.8620

 

0.7753

Window5

    

0.7050

0.8240

1.0000

0.8430

B

Window1

0.9030

0.9720

0.9890

    

0.9547

Window2

 

1.0000

1.0000

0.9540

   

0.9847

Window3

  

1.0000

0.9640

0.9250

  

0.9630

Window4

   

0.9840

0.9840

0.9960

 

0.9880

Window5

    

0.9640

0.9630

1.0000

0.9757

C

Window1

1.0000

1.0000

1.0000

    

1.0000

Window2

 

1.0000

1.0000

0.9330

   

0.9777

Window3

  

1.0000

1.0000

1.0000

  

1.0000

Window4

   

0.9940

0.9770

1.0000

 

0.9903

Window5

    

0.9230

0.9810

1.0000

0.9680

D

Window1

0.9420

0.9540

0.9850

    

0.9603

Window2

 

0.9540

0.9860

0.9020

   

0.9473

Window3

  

0.9830

0.8550

1.0000

  

0.9460

Window4

   

1.0000

1.0000

1.0000

 

1.0000

Window5

    

1.0000

1.0000

0.9100

0.9700

E

Window1

1.0000

1.0000

1.0000

    

1.0000

Window2

 

1.0000

1.0000

0.9910

   

0.9970

Window3

  

1.0000

0.9700

0.9580

  

0.9760

Window4

   

1.0000

0.9760

1.0000

 

0.9920

Window5

    

1.0000

1.0000

1.0000

1.0000

 

Avg

0.9078

0.9332

0.9425

0.9187

0.9245

0.9626

0.9820

0.9388