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. 2016 Jan 6;12:41–46. doi: 10.2147/TCRM.S92927

Table 3.

HR for days of sputum cultures conversion in subjects with TB-positive cultures

Smoking status Sputum culture conversion HR (95% CI)a
<50 μg/m3 1
≥50 μg/m3 1.28 (1.07–1.84)*

Notes:

a

Adjusted for age, sex, smoking, and CXR grading.

*

P<0.05.

Abbreviations: CI, confidence interval; CXR, chest X-ray; HR, hazard ratio; TB, tuberculosis.