Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Receiver-operating characteristic curves comparing the ability of SpO2, ROX index, and CT score to predict early failure of noninvasive ventilation. AUC: area under the curve, CT: Computed tomography, ROX: respiratory rate‑oxygenation, SpO2: peripheral oxygen saturation.
