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Gonorrhea and chlamydia prevalence in different anatomical sites among men who have sex with men: a cross-sectional study in Guangzhou, China.
BMC Infect Dis. 2018 Dec 18; 18(1):675.BI

Abstract

BACKGROUND

A high rectal and oropharyngeal sexually transmitted infection (STI) burden has been reported among men who have sex with men (MSM) in many regions, but little data exists on rectal and oropharyngeal STIs among MSM in China. The purpose of this study was to determine the prevalence of gonorrhea and chlamydia at different anatomic sites among MSM in Guangzhou, China.

METHODS

We recruited a cross-sectional sample of MSM in one Chinese city and collected detailed information about socio-demographic characteristics and sexual behaviors. Men had urine, rectal, and pharyngeal swab samples tested for gonorrhea and chlamydia using nucleic acid amplification tests (NAAT). Univariate and multivariate logistic regressions were used to evaluate factors associated with gonorrhea and chlamydia. Among men without any STI symptoms, we also examined the prevalence of gonorrhea and chlamydia by anatomical site.

RESULTS

We enrolled 463 men between January 2015 and March 2017. A total of 58/463 (12.5%) of men had gonorrhea and 84/463 (18.1%) had chlamydia. MSM with gonorrhea were more likely to have been recruited from the STI clinic (OR 3.41, 95% CI 1.94-5.99), living with HIV (OR 2.41, 95% CI 1.18-4.92), diagnosed had STI co-infection (OR 2.55, 95% CI 1.39-4.69). MSM with chlamydia were more likely to be students (OR 1.8, 95% CI 0.99-3.39). Most gonorrhea (34/58, 59%) and chlamydia (64/84, 76%) infections were not associated with STI symptoms.

CONCLUSION

Asymptomatic gonorrhea and chlamydia infection were common in this sample of Chinese MSM. Further research is necessary to determine optimal STI screening programs.

Authors+Show Affiliations

Department of Sexually Transmitted Diseases, Dermatology Hospital, Southern Medical University, Guangzhou, 510091, China. yanglg3@hotmail.com. Guangdong Provincial Dermatology Hospital, Guangzhou, 510091, China. yanglg3@hotmail.com.Department of Sexually Transmitted Diseases, Dermatology Hospital, Southern Medical University, Guangzhou, 510091, China. Guangdong Provincial Dermatology Hospital, Guangzhou, 510091, China.Department of Sexually Transmitted Diseases, Dermatology Hospital, Southern Medical University, Guangzhou, 510091, China. Guangdong Provincial Dermatology Hospital, Guangzhou, 510091, China.Department of Sexually Transmitted Diseases, Dermatology Hospital, Southern Medical University, Guangzhou, 510091, China. Guangdong Provincial Dermatology Hospital, Guangzhou, 510091, China.Department of Sexually Transmitted Diseases, Dermatology Hospital, Southern Medical University, Guangzhou, 510091, China. Guangdong Provincial Dermatology Hospital, Guangzhou, 510091, China.Department of Sexually Transmitted Diseases, Dermatology Hospital, Southern Medical University, Guangzhou, 510091, China. Guangdong Provincial Dermatology Hospital, Guangzhou, 510091, China.Department of Sexually Transmitted Diseases, Dermatology Hospital, Southern Medical University, Guangzhou, 510091, China. Guangdong Provincial Dermatology Hospital, Guangzhou, 510091, China.Department of Sexually Transmitted Diseases, Dermatology Hospital, Southern Medical University, Guangzhou, 510091, China. Guangdong Provincial Dermatology Hospital, Guangzhou, 510091, China.Department of Sexually Transmitted Diseases, Dermatology Hospital, Southern Medical University, Guangzhou, 510091, China. Guangdong Provincial Dermatology Hospital, Guangzhou, 510091, China. Institute for Global Health and Infectious Diseases, University of North Carolina at Chapel Hill, Raleigh, USA. Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

30563478

Citation

Yang, Li-Gang, et al. "Gonorrhea and Chlamydia Prevalence in Different Anatomical Sites Among Men Who Have Sex With Men: a Cross-sectional Study in Guangzhou, China." BMC Infectious Diseases, vol. 18, no. 1, 2018, p. 675.
Yang LG, Zhang XH, Zhao PZ, et al. Gonorrhea and chlamydia prevalence in different anatomical sites among men who have sex with men: a cross-sectional study in Guangzhou, China. BMC Infect Dis. 2018;18(1):675.
Yang, L. G., Zhang, X. H., Zhao, P. Z., Chen, Z. Y., Ke, W. J., Ren, X. Q., Wang, L. Y., Chen, W. Y., & Tucker, J. D. (2018). Gonorrhea and chlamydia prevalence in different anatomical sites among men who have sex with men: a cross-sectional study in Guangzhou, China. BMC Infectious Diseases, 18(1), 675. https://doi.org/10.1186/s12879-018-3579-6
Yang LG, et al. Gonorrhea and Chlamydia Prevalence in Different Anatomical Sites Among Men Who Have Sex With Men: a Cross-sectional Study in Guangzhou, China. BMC Infect Dis. 2018 Dec 18;18(1):675. PubMed PMID: 30563478.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Gonorrhea and chlamydia prevalence in different anatomical sites among men who have sex with men: a cross-sectional study in Guangzhou, China. AU - Yang,Li-Gang, AU - Zhang,Xiao-Hui, AU - Zhao,Pei-Zhen, AU - Chen,Zheng-Yu, AU - Ke,Wu-Jian, AU - Ren,Xu-Qi, AU - Wang,Liu-Yuan, AU - Chen,Wei-Ying, AU - Tucker,Joseph D, Y1 - 2018/12/18/ PY - 2017/08/16/received PY - 2018/12/03/accepted PY - 2018/12/20/entrez PY - 2018/12/20/pubmed PY - 2019/2/5/medline KW - Chlamydia KW - Gonorrhea KW - MSM KW - Pharyngeal KW - Rectal SP - 675 EP - 675 JF - BMC infectious diseases JO - BMC Infect Dis VL - 18 IS - 1 N2 - BACKGROUND: A high rectal and oropharyngeal sexually transmitted infection (STI) burden has been reported among men who have sex with men (MSM) in many regions, but little data exists on rectal and oropharyngeal STIs among MSM in China. The purpose of this study was to determine the prevalence of gonorrhea and chlamydia at different anatomic sites among MSM in Guangzhou, China. METHODS: We recruited a cross-sectional sample of MSM in one Chinese city and collected detailed information about socio-demographic characteristics and sexual behaviors. Men had urine, rectal, and pharyngeal swab samples tested for gonorrhea and chlamydia using nucleic acid amplification tests (NAAT). Univariate and multivariate logistic regressions were used to evaluate factors associated with gonorrhea and chlamydia. Among men without any STI symptoms, we also examined the prevalence of gonorrhea and chlamydia by anatomical site. RESULTS: We enrolled 463 men between January 2015 and March 2017. A total of 58/463 (12.5%) of men had gonorrhea and 84/463 (18.1%) had chlamydia. MSM with gonorrhea were more likely to have been recruited from the STI clinic (OR 3.41, 95% CI 1.94-5.99), living with HIV (OR 2.41, 95% CI 1.18-4.92), diagnosed had STI co-infection (OR 2.55, 95% CI 1.39-4.69). MSM with chlamydia were more likely to be students (OR 1.8, 95% CI 0.99-3.39). Most gonorrhea (34/58, 59%) and chlamydia (64/84, 76%) infections were not associated with STI symptoms. CONCLUSION: Asymptomatic gonorrhea and chlamydia infection were common in this sample of Chinese MSM. Further research is necessary to determine optimal STI screening programs. SN - 1471-2334 UR - https://www.unboundmedicine.com/medline/citation/30563478/Gonorrhea_and_chlamydia_prevalence_in_different_anatomical_sites_among_men_who_have_sex_with_men:_a_cross_sectional_study_in_Guangzhou_China_ L2 - https://bmcinfectdis.biomedcentral.com/articles/10.1186/s12879-018-3579-6 DB - PRIME DP - Unbound Medicine ER -