Pulmonary TB

Risk ratio

95% CI

P value

Hemoptysis (%)

N = 403

No hemoptysis (%)

N = 824

Lesion range

<3 lung fields

105 (26.1)

226 (27.4)

Reference

0.87 - 1.26

0.96

≥3 lung fields

298 (73.9)

598 (72.6)

1.05

Cavity

Cavity

309 (79.6)

287 (34.8)

3.48

2.91 - 4.16

<0.001

No cavity

94 (20.4)

537 (65.2)

Reference