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  • Title: [Spontaneous clearance of high risk human papillomavirus infection].
    Author: Zhang WY, Ma CB, Xiao JY, Zhou HR.
    Journal: Zhonghua Fu Chan Ke Za Zhi; 2010 Jul; 45(7):515-8. PubMed ID: 21029604.
    Abstract:
    OBJECTIVE: To study the clearance of high risk human papillomavirus (HPV) infection among the women with normal cervical pathologic diagnosis. METHODS: One hundred and seventy-two HPV-positive cases with normal cervical pathologic diagnosis were enrolled in the study. The infection status of HPV was monitored during follow-up from Aug 2006 to Aug 2008. The time of HPV infection spontaneous clearance, as well as effect factors, were analyzed. RESULTS: During follow-up, there were 62.2% (107 cases, 107/172) of the HPV infection cleared. The medium clearance time was 11.3 months (95%CI: 10.6 - 16.6 months). The medium clearance time of aged < 30 years, 30 - 39 years, 40 - 49 years and > 49 years were 11.3, 12.0, 10.9 and 8.5 months, respectively. There were not significant difference among aged intervals (P = 0.384). The virus copies of HPV-clearance cases and persistent-infection were 22.6 and 95.0, respectively. There was not significant difference between groups (P = 0.061). CONCLUSIONS: Most of the high risk HPV infection with normal cervical pathologic diagnosis would spontaneously cleared. Age and HPV copies may play little role in the HPV clearance.
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