From: Applying a new weaning index in ICU older patients
Age
IWI ≥25.5
APACHE ≤17
Estimated probability (%)
95% CI
≥70
No
9.4
3.06 to 25.4
Yes
99.2
94.5 to 99.9
<70
4.3
0.58 to 25.2
57.7
27.5 to 83.1
95.0
81.8 to 98.8
99.8
98.0 to 100.0