Table 7.
Factors associated with global protection one month after administration of 13-valent pneumococcal conjugate vaccine, by OPA and ELISA, among 38 HIV-infected subjects with CD4 cell count ≥200 cells/µl.
| Variable | ELISA | OPA | ||||
|---|---|---|---|---|---|---|
| Odds ratio | Confidence interval | p | Odds ratio | Confidence interval | p | |
| CD4 cell count > 750 cells/µl (median) | >999.99 | <0.001->999.99 | 0.95 | 3.92 | 0.68-22.70 | 0.13 |
| CD8 cell count > 800 cells/µl | 0.59 | 0.05-7.17 | 0.68 | 0.69 | 0.14-3.40 | 0.64 |
| CD4/CD8 ratio > 0.8 | >999.99 | <0.001->999.99 | 0.95 | 3.43 | 0.59-19.80 | 0.17 |
| Plasma HIV RNA viral load, <40 copies/ml | 21.33 | 1.47-310.01 | 0.025 | 8.40 | 1.11-63.73 | 0.04 |
| Neutrophil count >3500cell/µl | 1.50 | 0.12-18.12 | 0.75 | 2.62 | 0.45-15.16 | 0.28 |
| CDC stage C | 0.33 | 0.025-4.40 | 0.40 | 0.46 | 0.07-3.13 | 0.43 |
| Age > 50 years | 0.53 | 0.04-6.39 | 0.62 | 0.60 | 0.12-2.97 | 0.53 |
| Body mass index (kg/m2) | 1.09 | 0.09-13.30 | 0.95 | 0.88 | 0.17-4.45 | 0.87 |
| CMV seropositivity | 3.5 | 0.25-48.03 | 0.35 | 0.82 | 0.08-8.60 | 0.87 |
| Time since HIV infection diagnosis | 0.67 | 0.05-8.06 | 0.75 | 0.78 | 0.16-3.90 | 0.77 |
| History of bacterial pneumonia | 0.26 | 0.02-3.53 | 0.31 | 0.33 | 0.04-2.45 | 0.28 |
| Nadir CD4 count cell/µL<200 cells/µl | 0.20 | 0.02-2.46 | 0.21 | 0.18 | 0.03-0.96 | 0.04 |
| Active tobacco use | 1.33 | 0.11-16.14 | 0.82 | 0.58 | 0.12-2.79 | 0.50 |
| Prior PPV23 vaccine | <0.001 | <0.001->999.99 | 0.95 | 1.09 | 0.18-6.69 | 0.92 |
PPV23, 23-valent pneumococcal polysaccharide vaccine.
Globally protected was defined as a patient who developed a protection for at least five of the tested serotypes targeted by PCV13.
Bold values indicate p < 0.05.