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.
Modeled probability of significant ICH growth as a function of time from onset to CT angiography. The probability of ICH growth over time was stratified by the spot sign using a logistic regression model with time and spot-sign status as covariates. The inset shows a population restricted to early imaging times.
