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.
Citation: Colón-López V, Ortiz AP, Del Toro-Mejías L, Clatts
MC, Palefsky JM (2014) Epidemiology of Anal HPV Infection in High-Risk Men
Attending a Sexually Transmitted Infection Clinic in Puerto Rico. PLoS ONE
9(1): e83209. doi:10.1371/journal.pone.0083209
Full Article: http://ht.ly/sksUA
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