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.
Schematic of the study protocol. The 141 patients treated with prophylaxis trimethoprim/sulfamethoxazole (TMP/SMX (+)) were excluded from the analysis, and the 561 patients who did not receive prophylaxis (TMP/SMX (-)) were analyzed to reveal risk factors for Pneumocystis pneumonia (PCP).
