Research Article

Nasal Nitric Oxide Levels in HIV Infection: A Cross-Sectional Study

Table 1

Characteristics of study participants.

Characteristics or outcomeHIV+ with suppressed VL on ART 
()
HIV+ with detectable VL off ART 
()
Healthy controls 
()

Age, years [mean (std)]#48 (10)45 (9)43 (12)0.327

Male sex [28 (68%)3 (60%)5 (42%)0.297

Duration of HIV infection, years [mean (std)]~16 (9)10 (8)- -0.209

Antiretroviral regimen [number (%)]1; NRTIs and
 PI11 (27%)NANANA
 NNRTI10 (24%)
 Integrase inhibitor27 (66%)
 Cell-entry inhibitor1 (2%)

Duration of viral load suppression, years [mean (std)]6 (3)NANANA
Duration of detectable viral load years [mean (std)]NA3 (3)NANA

CD4 count (cells/μl)
 All patients [mean (std)]~543 (301)496 (195)- -0.737
 Patients with CD4 ≤350 16 (39%)1 (20%)0.674
 Patients with CD4 351–499 [ (%)]5 (12%)1 (20%)
 Patients with CD4 ≥500 [ (%)]20 (49%)3 (60%)
CD4% [mean (std)]~31 (12)25 (6%)0.256
CD8 count (cells/μl), [mean (std)]~809 (452)1041 (331)0.275
CD4/CD8 ratio [mean (std)]~0.817 (0.509)052 (0.278)0.210

Nadir CD4 count (cells/μl) [mean (std)]203 (147)280 (166)- -0.329

Viral load, VL; standard deviation, std; nucleoside reverse transcriptase inhibitor, NRTI; protease inhibitor, PI; nonnucleoside reverse transcriptase inhibitor, NNRTI; integrase inhibitor, II; not applicable, NA; surpass 100% as some individuals were on more than 1 drug class in addition to a NRTI backbone; statistical tests used for comparison: #ANOVA; ’s exact test; ~independent sample -test.