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Table 3 Classification matrix and sensitivity analysis for APACHE II in its original and new models

From: External validation of a modified model of Acute Physiology and Chronic Health Evaluation (APACHE) II for orthotopic liver transplant patients

  

Died

Alive

      

Model

Cutpoint (%)

PD

PS

PD

PS

Sensitivity (%)

Specificity (%)

PPV (%)

NPV (%)

OMCR (%)

OCCR (%)

Original

10

8

2

76

88

80

54

10

98

45

55

 

30

3

7

7

157

30

96

30

96

8

92

 

50

0

10

2

162

0

99

0

94

7

93

New

10

7

3

42

122

70

74

14

98

26

74

 

30

2

8

3

161

20

98

40

95

6

94

 

50

0

10

2

162

0

99

0

94

7

93

  1. OCCR, overall correct classification rate; OMCR, overall misclassification rate; NPV, negative predictive value; PDV, positive predictive value; PD, predicted to die; PS, predicted to survive.
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Critical Care

ISSN: 1364-8535