Table 1.
Definitions and data source of input/output metrics and environmental variables.
Table 2.
Descriptive statistics of inputs/outputs variables from 2010 to 2016.
Table 3.
Descriptive statistics of environment variables from 2010 to 2016.
Table 4.
Relative efficiency and frequency distribution of sampled hospitals at Stage 1 from 2010 to 2016.
Table 5.
Regression analysis of environmental factors and input slack variables for Stage 2 from 2010 to2016.
Table 6.
Adjusted result of original input for Stage 3 from 2010 to 2016.
Table 7.
Comparison between the relative efficiencies calculated by Four-Stage-DEA during step1 and step 4 during 2010–2016.