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Table 6 Comparison of the overall efficiency results before and after considering the deletion of outliers

From: Health system efficiency in OECD countries: dynamic network DEA approach

DMU Overall efficiency score - all countries Overall efficiency score-reduced sample Total Efficiency Change
2000 2008 2016 2000 2008 2016 2000 2008 2016
AUS 0.7178 0.6642 0.6429 0.9998 0.8443 0.8627 39.29% 27.12% 34.19%
AUT 1 1 1       
BEL 0.7453 0.9301 0.7541 0.797 0.9334 0.8668 6.94% 0.35% 14.94%
CAN 1 1 1       
CZE 1 1 0.9002       
DNK 0.6655 0.6295 0.6551 0.71 0.6716 0.6776 6.69% 6.69% 3.43%
EST 0.9373 0.7745 0.8453 1 1 1 6.69% 29.12% 18.30%
FIN 1 1 1 1 1 1 0.00% 0.00% 0.00%
FRA 1 1 1 1 1 1 0.00% 0.00% 0.00%
DEU 0.7355 1 1       
GRC 0.9229 1 1       
HUN 1 1 1 1 1 1 0.00% 0.00% 0.00%
CHL 1 1 1       
ISL 0.867 0.7916 0.8221       
IRL 0.7344 0.8987 0.8783 0.8661 1 1 17.93% 11.27% 13.86%
ISR 1 1 1       
ITA 0.7372 0.8175 0.7339 1 1 1 35.65% 22.32% 36.26%
JPN 1 1 1       
LVA 1 1 1 1 1 1 0.00% 0.00% 0.00%
LTU 1 1 0.8578 1 1 1 0.00% 0.00% 16.58%
LUX 1 1 1 1 1 1 0.00% 0.00% 0.00%
MEX 1 1 1       
NLD 1 1 1 1 1 1 0.00% 0.00% 0.00%
NZL 0.697 0.7754 0.7781 0.9999 0.9999 0.9999 43.46% 28.95% 28.51%
NOR 0.9071 0.9328 0.8682 1 1 1 10.24% 7.20% 15.18%
POL 1 1 1 1 1 1 0.00% 0.00% 0.00%
PRT 1 1 1 1 1 1 0.00% 0.00% 0.00%
KOR 1 1 1       
SVK 1 1 1       
SVN 0.8853 1 1 0.9359 1 1 5.72% 0.00% 0.00%
ESP 1 1 1 1 1 1 0.00% 0.00% 0.00%
SWE 1 1 1 1 1 1 0.00% 0.00% 0.00%
CHE 0.9985 0.9999 0.9999 0.9998 1 1 0.13% 0.01% 0.01%
TUR 1 1 1       
GBR 1 1 1 1 1 1 0.00% 0.00% 0.00%
USA 1 1 1 1 1 1 0.00% 0.00% 0.00%
Average 0.932 0.9504 0.9371 0.9699 0.9761 0.9742 4.07% 2.70% 3.96%
Standard deviation 0.1106 0.0999 0.1057 0.0742 0.0732 0.0738    
  1. Source: Prepared by authors