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Figure 2 | BMC Infectious Diseases

Figure 2

From: Smoking, season, and detection of chlamydia pneumoniaeDNA in clinically stable COPD patients

Figure 2

Relation of Chlamydia pneumoniae DNA prevalence in blood or sputum versus plasma nicotine metabolite levels among 73 patients with stable chronic obstructive pulmonary disease. Nicotine metabolites of < 25 μg/L indicate no recent exposure to smoking. For nicotine metabolites = 25 μg/L, odds ratio = 2.1 (95% CI: 0.8, 5.7, P = 0.13) for detection of C. pneumoniae DNA (SPSS).

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