Demographics of patients used in study.

<p>1: All HIV-1 positive patients were enrolled in protocols approved by the National Institute NIAID Review Board administered at the NIH.</p><p>2&3: Numbers in parentheses indicate percentatges of male or females in each group.</p><p>4: The HIV-1 viral load was measured using the bDNA <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0098989#pone.0098989-Dewar1" target="_blank">[22]</a> or real-time PCR method <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0098989#pone.0098989-Braun1" target="_blank">[23]</a> Data show means <u>+</u>SD (copies/ml).</p><p>5: total CD4+T cell count was performed by flow cytometer and absolute CD4 counts were obtained using a dual platform method using a Sysmex XT2000i hematology analyzer. Data indicate means <u>+</u>SD (cells/µl).