From: Predicting smear negative pulmonary tuberculosis with classification trees and logistic regression: a cross-sectional study
OR
95% CI
p value
Typical X-ray
No
1.00
Yes
2.63
1.55 – 4.45
<0.01
Presence of sputum
0.53
0.27 – 1.01
0.05
Weight loss
1.59
0.92 – 2.73
0.09
Age
>60 years
26–60
2.70
1.21 – 6.01
0.02
≤25
3.07
1.09 – 8.61
0.03