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. 2010 Feb 24;35(5):991–999. doi: 10.1007/s10916-010-9437-8

Table 3.

DEA result, statistics for the Reciprocal of the Cost efficiency under CRS and VRS

CRS VRS
Mean 1.28 1.12
Std deviation 0.21 0.13
Minimum 1.00 1.00
Maximum 2.12 1.82
95% percentile 1.67 1.34