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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