TABLE I. Univariate conditional logistic analyses for Mycobacterium bovis infections in Brazil.
Variables | Exposures | CMLE OR (CI 95%) | Score (p value) | Likelihood ratio (p value) | Adjusted Mid-P exact (one tail) | |
---|---|---|---|---|---|---|
Cases | Controls | |||||
Consumption above median levels of raw-milk cheese (Yes/No) | 3/3 | 19/42 | 3.58 (2.02-24.13)* | 3.67 (0.055) | 4.70 (0.030) | 0.048 |
Zoonotic potential exposures (Yes/No) | 3/3 | 14/42 | 5.71 (2.827-40.99)* | 5.09 (0.024) | 5.92 (0.015) | 0.024 |
Clinical features of tuberculosis (TB) (extrapulmonary/pulmonary) | 2/3 | 5/42 | 13.57 (1.10-167.28) | 6.29 (0.012) | 4.30 (0.038) | 0.029 |
History of housing in rural areas (Yes/No) | 0/3 | 14/42 | – | 1.40 (0.230) | 2.20 (0.130) | – |
Consumption above median levels of raw milk (Yes/No) | 0/3 | 19/40 | – | 2.46 (0.110) | 3.49 (0.062) | – |
HIV/AIDS (Yes/No) | 0/3 | 4/34 | – | 0.13 (0.71) | 0.12 (0.72) | – |
BCG Vaccine (Yes/No) | 1/3 | 9/42 | – | 0.15 (0.69) | 0.14 (0.70) | – |
BCG: Bacillus Calmette-Guérin (BCG); CMLE OR: conditional maximum-likelihood estimate of the odds ratio;
approximate OR (with Haldane's correction).