TABLE 3.

Demographic and clinical features associated with RD^Rio M. tuberculosis: results from multiple logistic regression^a

Patient characteristic	OR (95% CI)	P
Age	0.99 (0.96-1.01)	0.32
Male gender	1.25 (0.49-3.19)	0.64
HIV positive	0.56 (0.15-1.96)	0.36
Presence of AFB in sputum	0.41 (0.13-1.33)	0.14
Resistance to at least one TB drug	0.73 (0.26-2.03)	0.54
City of residence Belo Horizonte	4.05 (1.4-11.6)	0.009
Cough	1.24 (0.06-25.2)	0.89
Sputum production	0.31 (0.01-7.0)	0.46
Cavity on CXR	8.97 (1.52-53.0)	0.016

^aAUC = 0.743. Fever and weight loss variables were omitted due to numerical instability of the model fit.