Table 3. The variables associated with the presence of M. tuberculosis in the blood of mice at any time-point following infection.
| Univariate analysisa | Multivariate analysis b | ||
| Variable | P-value | Odds ratio (95% confidence interval) | P-value |
| Lung CFU | <0.001 | ||
| Spleen CFU | <0.001 | ||
| Lineage: | |||
| Euro-American | Reference | ||
| Indo-Oceanic | 0.001 | ||
| East Asian/Beijing | 3.40 (1.44–8.03) | 0.005 | |
| BAL IL-12p40 | <0.001 | 1.003 (1.001–1.005) | 0.024 |
| BAL Interferon-γ | 0.004 |
a
Mann Whitney U for continuous variables; Chi square for categorical
b
Forward step-wise logistic regression. Spleen CFU was excluded from the model. Euro-American lineage was the reference.