Table 1.
Characteristics of HIV-infected compared to HIV-uninfected participants
| Characteristics | HIV+, N=300 | HIV−, N=289 | p-value |
|---|---|---|---|
| Age, mean years. (SD) | 54 (8) | 54 (9) | 0.8 |
| Race/ethnicity | 0.3 | ||
| White | 43% | 50% | |
| Black | 47% | 40% | |
| Hispanic | 9% | 9% | |
| Other | 1% | 1% | |
| Smoking status | 0.007 | ||
| Current | 47% | 35% | |
| Former | 27% | 30% | |
| Never | 26% | 35% | |
| Smoking pack-years among ever smokers, median (SD) |
26 (13-40) | 20 (8-37) | 0.07 |
| Injection drug use | 0.001 | ||
| Current | 3% | 0% | |
| Former | 23% | 15% | |
| Never | 74% | 85% | |
| Marijuana use | 0.05 | ||
| Current | 32% | 24% | |
| Former | 50% | 50% | |
| Never | 26% | 18% | |
| Prior bacterial pneumonia | 28% | 16% | <0.001 |
| Prior Pneumocystis pneumonia | 10% | 2% | <0.001 |
| Prior tuberculosis | 6% | 5% | 0.6 |
| CD4 cell count, median (IQR) | 493 (354-698) | -- | |
| CD4 cell count <200 cells/μl | 8% | -- | |
| HIV viral load ≤500 copies/ml | 84% | -- | |
| On Antiretroviral therapy | 89% | -- | |
| Hemoglobin, mean (SD) | 14.3 (1.5) | 14.7 (1.2) | 0.002 |