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04-01-2025 | Human Papillomavirus | Research

Dynamic characteristics of high-risk HPV infection in women with low-grade cervical intraepithelial neoplasia, based on a community longitudinal study

Authors: Kailu Zhao, Huimin Li, Meng Cui, Li Song, Yuanjing Lyu, Ling Ding, Jintao Wang

Published in: European Journal of Clinical Microbiology & Infectious Diseases

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Abstract

Background

High-risk human papillomavirus (HR-HPV) infection is the primary cause of cervical cancer and precancerous lesions. Approximately 35% of women with low-grade cervical intraepithelial neoplasia (CIN1) may experience persistence or progression to high-grade lesions. Yet, the dynamic characteristics of HR-HPV infection in women with CIN1 remain unclear.

Methods

A total of 564 women diagnosed with CIN1, recruited from a community-based cohort, underwent a 24-month follow-up at 6th, 12th, and 24th month intervals. Hazard ratios (HRs) with 95% confidence interval (CI) were calculated to evaluate the risk of HR-HPV infection prognosis and their associated factors. Kaplan-Meier survival curves illustrated the dynamic changes of HR-HPV infection and association between HR-HPV infection prognosis and various influencing factors.

Results

HPV16 was the predominant carcinogenic genotype, followed by HPV58 and HPV52. Over the 24-month follow-up, persistent HPV16 infection occurred in 10.6% of women, with 14.4% converting from positive to negative and 4% developing HPV16 positivity from baseline HR-HPV negativity. Rates of persistent infection for HPV58, 52, 18, and 56 decreased over time, with HPV58, 52, and 31 infections more likely to turn HR-HPV negative. Additionally, rates of positive conversion from negative for HPV58, 56, 33, and 66 increased with extended follow-up time. Variables associated with dynamic characteristics of HR-HPV infection prognosis included personal hygiene, age of first menarche, age at first sexual intercourse, educational level, age, and menopausal status (all P < 0.05).

Conclusions

These findings contribute to understanding the dynamic characteristics of HR-HPV infection prognosis in women with CIN1 and its association with non-viral factors.
Literature
16.
Metadata
Title
Dynamic characteristics of high-risk HPV infection in women with low-grade cervical intraepithelial neoplasia, based on a community longitudinal study
Authors
Kailu Zhao
Huimin Li
Meng Cui
Li Song
Yuanjing Lyu
Ling Ding
Jintao Wang
Publication date
04-01-2025
Publisher
Springer Berlin Heidelberg
Published in
European Journal of Clinical Microbiology & Infectious Diseases
Print ISSN: 0934-9723
Electronic ISSN: 1435-4373
DOI
https://doi.org/10.1007/s10096-024-05036-x

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