Weaning

AUC

P

Sensitivity

Specificity

PPV

NPV

Accuracy

Successful

Failed

Pro BNP

≤3900

21

10

0.556

0.553

37.50

87.50

66.67

67.74

67.50

>3900

3

6

Tei index right

≤0.43

21

2

0.932^*

<0.001

87.50

87.50

82.35

91.30

87.50

>0.43

3

14

Tei index left

≤0.41

23

8

0.754^*

0.007

50.0

95.83

88.89

74.19

77.50

>0.41

1

8