Fig. 1.
Kaplan-Meier curves for one-month mortality in 219 COVID-19 patients grouped into two groups based on SpO2 (>90% or ≤ 90%) at admission.
SpO2: Peripheral venous blood oxygen saturation value.
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.