The prevalence and distribution of human papillomavirus among 10,910 Chinese Han women

Abstract

ObjectiveTo assess the prevalence and distribution of HPV genotypes among Chinese Han women, and to explore the risk of high-grade cervical lesions associated with individual hr-HPV genotypes.MethodsGenotyping and histopathology data from the Chinese Multi-Center Screening Trial (CHIMUST) and its pilot screening trial, from 6 regions across mainland China, were re-analyzed. The data from physician (direct) collected samples from 10910 Chinese Han women (ages 30-69) were used to determine the prevalence and distribution of hr-HPV and to explore the risk association between hr-HPV genotypes and precancerous lesions.Results9.1% of the study population tested hr-HPV positive. The prevalence varied regionally rom the lowest in Guangdong (6.3%) to the highest in Inner Mongolia (12.9%). The most prevalent genotypes found were HPV-52 (21.5%), HPV-16 (19.2%), HPV-58 (15.0%), HPV-39 (8.9%), and HPV-51 (8.2%). The overall odds ratios for CIN2+ and CIN3+ for the presence of HPV-16 was 59.7 (95% CI 39.9-89.3) and, 92.0 (95%CI 54.5- 155.3), respectively and remained the highest odds ratio for CIN3+ in all 6 regions.ConclusionGeographical variation exists in the prevalence and distribution of hr-HPV in mainland China. HPV-16/52/58 were the most prevalent genotypes, and HPV-16 had the highest risk for high-grade cervical lesions.