Fig 1. Algorithm for selection and classification of patients.
There were selected 708 patients, 71 in acute phase, 15 febrile negatives, 481 in chronic phase and 141 negatives. *RF: Risk Factor.
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.