Table 2 Univariate analysis of factors associated with a positive immunospot test*
From: Latent and subclinical tuberculosis in HIV infected patients: a cross-sectional study
| Â | Result | Odds ratio | P-value | |
|---|---|---|---|---|
|  | Negative (n = 452) | Positive (n = 50) | (95% confidence interval) |  |
Age | Â | Â | Â | Â |
 15-24 | 14 | 1 | 1 | 0.867 |
 25-34 | 117 | 12 | 1.44 (0.17-11.80) |  |
 35-44 | 197 | 25 | 1.78 (0.22-14.09) |  |
 45-54 | 92 | 10 | 1.52 (0.18-12.82) |  |
 55+ | 32 | 2 | 0.87 (0.07-10.46) |  |
CD4 count | Â | Â | Â | Â |
 ≤350 | 302 | 38 | 1 | 0.368 |
 200 – 349 | 101 | 7 | 0.55 |  |
 <200 | 49 | 5 | 0.81 |  |
Female (%) | 255 (57) | 29 (58) | 1.06 (0.59-1.93) | 0.830 |
HAART (%) | 304 (67) | 33 (66) | 0.94 (0.51-1.75) | 0.858 |
Ethnicity | Â | Â | Â | Â |
 White British | 49 | 1 | 1 | 0.078 |
 Black African | 282 | 42 | 7.30 (0.98-54.26) |  |
 Asian | 14 | 1 | 3.50 (0.21-59.59) |  |
 Black Caribbean | 39 | 3 | 3.77 (0.38-37.67) |  |
 Other/mixed | 68 | 3 | 2.16 (0.22-21.41) |  |
TB prevalence in | Â | Â | Â | Â |
country of origin per 100,000 | Â | Â | Â | Â |
 Low (<30) | 131 | 4 | 1 |  |
 Medium (30-300) | 79 | 9 | 3.73 (1.11-12.52) | 0.033 |
 High (>300) | 242 | 37 | 5.01 (1.75-14.36) | 0.003 |