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.
(a) Differences in the proportion of patients requiring in-hospital ventilation according to the risk factors identified for low SpO2 (age ≥ 50 years, BMI ≥ 27.4 kg/m2, lymphocyte count < 1400 cells/µL, and CRP ≥ 4 mg/dL). (b) Differences in the proportion of patients requiring in-hospital ventilation; and (c) differences in the length of stay (LOS) in hospital (presented in days) according to the number of these risk factors.
