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Epidemiology of anal HPV infection in high-risk men attending a sexually transmitted infection clinic in Puerto Rico.


ABSTRACT: Recent studies in Puerto Rico have reported an increasing incidence of anal cancer in Puerto Rican men. The objective of this study was to determine the prevalence, genotype distribution and risk factors associated with anal HPV infection among men attending an STI clinic in Puerto Rico.We conducted a cross-sectional study among 205 men 18 years and older. A comprehensive survey was administered that included a demographic and a behavioral assessment. Separate logistic regression models were performed to determine factors associated with any, high-risk (HR), and multiple anal HPV infection.The mean age of the study sample was 38.0±13.5 years. The most common HR types were 58, 51 and 31. Overall, HR anal HPV infection was found in 53.5% of the participants. Multiple HPV types in the anal canal were found in 47.6% of the sample. A third (29.8%) of participants reported being men who had sex with men (MSM). MSM had a significantly higher prevalence of any, HR and multiple HPV infection (p-value<0.05). Separate multivariate logistic regression analyses showed that being MSM was associated with any (OR = 4.5; [95%CI: 1.9-10.7]), HR (OR = 3.4; [95%CI: 1.1-10.3) and multiple anal HPV infection (OR = 3.6; [95%CI: 1.5-9.1). HIV was marginally associated with multiple anal HPV infection in multivariate analysis (OR = 3.3; 95%CI = 1.0-11.0).Anal HPV is common among sexually active men attending this STI clinic, with higher likelihood of anal HPV infection among MSM.

SUBMITTER: Colon-Lopez V 

PROVIDER: S-EPMC3882217 | BioStudies | 2014-01-01

REPOSITORIES: biostudies

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