Table 2.

Variables significantly associated with smear negative pulmonary tuberculosis (multiple logistic regression – final model)

	OR	95% CI	p value
Typical X-ray
No	1.00
Yes	2.63	1.55 – 4.45	<0.01
Presence of sputum
No	1.00
Yes	0.53	0.27 – 1.01	0.05
Weight loss
No	1.00
Yes	1.59	0.92 – 2.73	0.09
Age
>60 years	1.00
26–60	2.70	1.21 – 6.01	0.02
≤25	3.07	1.09 – 8.61	0.03