gonorrhea and chlamydia prevalence in different anatomical sites among men who have sex with men a cross sectional study in guangzhou china
Adult
Male
0301 basic medicine
China
Adolescent
Sexually Transmitted Diseases
Oropharynx
HIV Infections
Infectious and parasitic diseases
RC109-216
Gonorrhea
Sexual and Gender Minorities
Young Adult
03 medical and health sciences
0302 clinical medicine
Urethra
Prevalence
Humans
Mass Screening
MSM
Chlamydia
Homosexuality, Male
Rectum
Chlamydia Infections
3. Good health
Cross-Sectional Studies
Sexual Partners
Rectal
Pharyngeal
Research Article
DOI:
10.17615/6ydh-dw90
Publication Date:
2018-12-01
AUTHORS (9)
ABSTRACT
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.
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