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Table 5 DEA window analysis for 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 0.6870 0.7000 0.7030      0.6967
Window2   0.7360 0.7370 0.7230     0.7320
Window3    0.7540 0.7380 0.7340    0.7420
Window4     0.6980 0.7070 0.8620   0.7557
Window5      0.6740 0.8240 1.0000 0.8327
B Window1 0.8720 0.9720 0.9890      0.9443
Window2   1.0000 1.0000 0.9540     0.9847
Window3    1.0000 0.9610 0.9250    0.9620
Window4     0.9840 0.9660 0.9960   0.9820
Window5      0.9040 0.9190 1.0000 0.9410
C Window1 1.0000 1.0000 1.0000      1.0000
Window2   1.0000 1.0000 0.9330     0.9777
Window3    1.0000 0.9310 1.0000    0.9770
Window4     0.9940 0.9500 1.0000   0.9813
Window5      0.9230 0.9640 1.0000 0.9623
D Window1 0.9090 0.8640 0.9110      0.8947
Window2   0.8640 0.9110 0.8020     0.8590
Window3    0.9100 0.7880 1.0000    0.8993
Window4     1.0000 1.0000 0.9470   0.9823
Window5      1.0000 0.9570 0.8610 0.9393
E Window1 1.0000 1.0000 1.0000      1.0000
Window2   1.0000 1.0000 0.9660     0.9887
Window3    1.0000 0.9700 0.9580    0.9760
Window4     1.0000 0.9580 1.0000   0.9860
Window5      1.0000 1.0000 1.0000 1.0000
  Avg 0.8936 0.9136 0.9277 0.8961 0.9133 0.9469 0.9722 0.9233