From: Predictors of failure with high-flow nasal oxygen therapy in COVID-19 patients with acute respiratory failure: a multicenter observational study
Parameter
Value (95% CI)
Sensitivity
83% (68-91%)
Specificity
89% (74-95%)
Positive predictive value
89% (76-96%)
Negative predictive value
82% (67-91%)
Positive likelihood ratio
7.3 (2.9-18.4)
Negative likelihood ratio
0.20 (0.09-0.38)