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Total population

Twopart model


   
Expenditure incurrence

Level of expenditure



Linear mixed models

Logistic regression

Linear mixed models


Adult population
       
Fixed effects

V

SE

%V

%EV

V

SE

%EV

Age*
  
1.4%

0.6%

10.5%
 
10.5%

Random factors
       
ACG

5.01

0.89

44.7%

28.8%

2.78

0.49

35.4%

Physician (center)

0.27

0.06

2.4%

1.5%

0.14

0.03

1.8%

Residual

5.77

0.04

51.5%

69.1%

4.11

0.03

52.3%

Total

11.21
 
100%

100%

7.85
 
100%

Pediatric population
       
Fixed effects

V

SE

%V

%EV

V

SE

%EV

Age*
  
0.1%

0.4%
  
0.0%

Random factors
       
ACG

1.22

0.28

22.2%

20.6%

0.66

0.17

22.4%

Physician (center)

1.62

0.69

29.5%

38.8%

0.32

0.14

10.9%

Residual

2.66

0.04

48.3%

40.2%

1.98

0.04

66.7%

Total

5.51
 
100%

100%

2.96
 
100%

 Statistical tests applied to the total population and twopart model. Linear mixed models include: estimation of variance (V), standard error (SE) and percentage of explained variance (%EV).
 * Age fixed effects include linear and quadratic terms.