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Table 12 Model validity test—Spearman rank correlation (Across years)

From: Efficiency and productivity assessment of public hospitals in Greece during the crisis period 2009–2012

 

2009

2010

2011

2012

2009

2010

0.632

2011

0.854*

0.572*

2012

0.848*

0.665*

0.784*

  1. *P value < 0.05