Table 3.
Multivariate Logistic Regression (CD4 model)a
| Variable | OR (95% CI) | P-value |
|---|---|---|
| Visitb | 1.23 (1.11-1.37) | < 0.0001 |
| Diabetes | ||
| No | 1.00 | |
| Yes | 3.93 (1.64-9.38) | 0.002 |
| ARV therapy | ||
| None | 1.00 | 0.0003c |
| Mono/Combo | 0.35 (0.12-1.01) | |
| HAART | 0.23 (0.12-0.46) | |
| CD4+ cell count | ||
| 500+ | 1.00 | < 0.0001c |
| 350-499 | 1.58 (0.78-3.21) | |
| 200-349 | 3.78 (1.65-8.58) | |
| < 200 | 4.90 (2.17-11.1) | |
| Stimulated salivary flow rate, mL/min | 0.57 (0.36-0.91) | 0.02 |
| Proportion of bleeding sites | 1.42 (1.10-1.84)d | 0.01 |
a
Logistic regression with generalized estimating equations (319 visits, 119 subjects), using exchangeable correlation.
b
OR per one unit change in study visit = 6 months.
c
P-value for trend.
d
OR based on a one standard deviation change in the independent variable.