TABLE 4.

Performance of Different Cutoff Parameters for Predicting Success of Weaning to Room Air

CutoffSensitivity, %Specificity, %Positive Predictive Value, %Negative Predictive Value, %
Fio2 of ≤0.2376.1955.2954.6376.67
Fio2 of ≤0.2479.5947.651.7776.74
Fio2 of ≤0.2587.7635.148.8680.22
Saturation of >96%66.2255.7751.5869.88
Fio2 of ≤0.23 and saturation of >96%45.8983.5766.3468.65
Fio2 of ≤0.24 and saturation of >96%48.6380.1963.3968.88
Fio2 of ≤0.25 and saturation of >96%54.1175.8561.2470.09