FIGURE 2.
Risk-of-bias assessment (using Quality in Prognosis Studies tool) based on six domains across 428 eligible articles for adverse outcomes in patients with coronavirus disease 2019.
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.