An increasing trend was observed for the air pollutants of PM 2.5 , SO 2 , O 3 and CO and newly diagnosed TB at 3- and 6-month exposure windows.
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Ambient Air Pollution Exposures and Newly Diagnosed Pulmonary Tuberculosis in Jinan, China: A Time Series Study.
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The sentences
When air pollutants exposures were defined as continuous variables, weak positive associations were found for PM 2.5 (3 month), SO 2 (3 and 6 month), CO (3 month), and O 3 (3,6 and 12 month), but the majority of the analyses did not reach statistical significance.The risk of newly diagnosed TB was significantly increased with O 3 per 10 ug/m 3 increase at the 3-month exposure window (RR = 1.076, 95% CI: 1.011–1.145) and 12-exposure window (RR = 1.389, 95% CI: 1.041–1.852).