NT-proBNP indices and ROC analysis on poor weaning outcomes.

Table 4: NT-proBNP indices and ROC analysis on poor weaning outcomes.

NT-pro BNP Indices	DIFFICULTY	PROLONG	REINTUBATION	Suspicious Cardiac compensation	Suspicious Pulmonary compensation
Pre	0.597	0.626	0.586	0.635	0.621
Wean	0.576	0.588	0.605	0.632	0.636
Difference	0.455	0.545	0.650	0.609	0.619
Ratio	0.537	0.432	0.537	0.494	0.512

Note: values are area under the curve.