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.
Probability of developing prone related pressure ulcers as a function of the time spent prone, holding age constant at the mean sample value (i.e., 58 years), PaO2/FiO2 ratio at mean sample value (i.e., 85) of three patients at different BMI (min, median and max sample values). The fitted model explained the 20% of the total variance.
