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Current Respiratory Medicine Reviews


ISSN (Print): 1573-398X
ISSN (Online): 1875-6387

Association Between Chlamydia pneumoniae Antibodies and Lung Cancer: A Meta-Analysis

Author(s): Zhuang Liu, Zhi-hua Yin, Hui-ying Liang, Zhi-fang Jia and Bao-sen Zhou

Volume 6, Issue 3, 2010

Page: [201 - 206] Pages: 6

DOI: 10.2174/157339810791526111

Price: $65


To evaluate the relationship between Chlamydia pneumoniae infection and lung cancer, we conducted a metaanalysis of studies comparing the antibodies of C. pneumoniae between lung cancer patients and controls. The random-effects model or fixed-effects model was used according to the results of heterogeneity tests. Total, 8 studies with 1602 cases and 1734 controls were included. The analysis showed that the pooled OR of the association between C. pneumoniae IgA and lung cancer was 1.82 (95% CI, 1.21-2.74), while the association between C. pneumoniae IgG and lung cancer was 1.77 (95% CI, 1.13-2.78). Thus, statistically significant differences were observed between C. pneumoniae antibodies and lung cancer. This meta-analysis suggests that C. pneumoniae infection may be a potential risk factor for lung cancer.

Keywords: Chlamydia pneumoniae, lung cancer, meta-analysis

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