Table 3 Multivariate analysis determining independent risk factors for development of cavitary TB

Lineage

Lineage L4-NU

1

-

-

Uganda (L4-U)

1.08

0.78-1.51

0.6422

Lineage 3

1.32

0.78-2.22

0.296

Age

> 30 years

1

-

-

≤ 30 years

0.866

0.63-1.20

0.38

HIV status

Negative

1

-

-

Positive

0.62

0.45-0.84

0.0023

Smoking status

Never smoked

1

-

-

Current or ever smoked

4.76

3.33-6.84

<0.0001

Income

High

1

Low

2.10

1.47-3.01

<0.0001

Hemoptysis

No

1

-

-

Yes

1.64

1.10-2.42

0.014