Human immunodeficiency virus infection and genital warts as risk factors for anal intraepithelial neoplasia in homosexual men
✍ Scribed by Mr. P. S. Carter; A. de Ruiter; C. Whatrup; D. R. Katz; P. Ewings; A. Mindel; J. M. A. Northover
- Publisher
- John Wiley and Sons
- Year
- 1995
- Tongue
- English
- Weight
- 266 KB
- Volume
- 82
- Category
- Article
- ISSN
- 0007-1323
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✦ Synopsis
Abstract
The incidence of anal intraepithelial neoplasia (AIN) was studied in a group of 210 homosexual and bisexual men. The presence of genital warts and human immunodeficiency virus (HIV) infection was assessed as risk factors for the development of AIN. In all, 74 (35 per cent) of the group had histological evidence of AIN. The relative risk of being positive for HIV on AIN (relative to being negative for HIV) was 1.58 (95 per cent confidence interval (c.i.) 1.01–2.48). The relative risk of anal warts on AIN (relative to absence of anal warts) was 4.70 (95 per cent c.i. 1.81–12.20). Logistic regression analysis showed no significant interactive effect between HIV and anal warts on the risk of AIN. It is concluded from the results of a Mantel-Haenzel analysis that the presence of anal warts and HIV infection are independent risk factors for the development of AIN in homosexual and bisexual men.