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Table 3 Descriptive statistics of CMIs

From: Feasibility and validity of International Classification of Diseases based case mix indices

 

Minimum

Maximum

Mean

Std. Deviation

Skewness

DRGCMI

     

All hospitals

0.32

2.83

0.8160

0.2345

2.319

Medical center

0.85

1.4

1.1892

0.1427

-0.895

Regional hospital

0.71

1.52

0.9937

0.1436

0.978

Local hospital

0.39

2.83

0.7891

0.2216

3.157

Non-accredited hospital

0.32

1.88

0.7499

0.2853

1.87

ICDCMI-DC

     

All hospitals

0.39

3.20

0.8399

0.2321

3.112

Medical center

1.05

1.36

1.1822

0.09667

0.305

Regional hospital

0.67

1.29

0.9947

0.0971

-0.17

Local hospital

0.39

2.66

0.8162

0.2043

2.336

Non-accredited hospital

0.39

3.2

0.7788

0.4492

4.668

ICDCMI-DL

     

All hospitals

0.35

4.60

0.9129

0.2535

5.777

Medical center

0.94

1.17

1.084

0.0694

-0.534

Regional hospital

0.66

1.33

1.019

0.1104

0.097

Local hospital

0.35

4.6

0.9046

0.2671

6.177

Non-accredited hospital

0.36

1.21

0.7969

0.1831

-0.284

ICDCMI-PC

     

All hospitals

0.27

3.06

0.7964

0.2181

3.727

Medical center

1.03

1.35

1.1987

0.1144

-0.148

Regional hospital

0.68

1.42

0.9896

0.1414

0.673

Local hospital

0.27

3.06

0.7695

0.2091

5.081

Non-accredited hospital

0.47

1.01

0.6974

0.1185

1.126

ICDCMI-PL

     

All hospitals

0.32

1.63

0.9273

0.1550

-1.020

Medical center

0.97

1.12

1.0526

0.0499

-0.234

Regional hospital

0.73

1.09

1.0001

0.0631

-2.178

Local hospital

0.32

1.63

0.9201

0.1588

-0.798

Non-accredited hospital

0.38

1.06

0.8625

0.1699

-1.765