European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2025
Dynamic characteristics of high-risk HPV infection in women with low-grade cervical intraepithelial neoplasia, based on a community longitudinal study.
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Zhao Kailu, Li Huimin, Cui Meng, Song Li, Lyu Yuanjing, Ding Ling, Wang Jintao
Аннотация
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.
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.