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Table 5 Results of the Cobb–Douglas (CD) and Flexible AM Cluster 2 models

From: Using flexible regression models for calculating hospital’s production functions

Model

Effects

Coefficients

df

P-value

R2(×100%)

AIC

CD

Beds

1.167

1.00

< 0.001

  

FTEs

0.262

1.00

0.015

  

Beds X FTEs

− 0.107

1.00

0.002

78.32

728.013

Year

−0.049

1.00

0.140

  

Hospital

 

3.00

< 0.001

  

AM

s (Beds)

5.66

< 0.001

  

s (FTEs)

3.38

0.638

  

s (Beds,FTEs)

10.40

< 0.001

85.30

627.366

Year

−0.063

11.00

0.022

  

Hospital

 

3.00

< 0.001

  
  1. AIC Akaike Information Criterion, df degrees of freedom, s() smoother using thin plate splines