High-risk human papillomavirus (HR-HPV) load is thought to be influenced by many factors, and relationship between viral load and degree of cervical lesion is controversial. This study was to explore possible influencing factors of HR-HPV viral load in uterine cervix.
605 women who needed colposcopic evaluation for abnormal cervical screening in Affiliated Hospital of Weifang Medical University, China, between November 2017 and September 2018 were enrolled. Cervical specimens were collected from endo- and ectocervix separately using two different cervical brushes. Hybrid Capture II test was used to measure HR-HPV load. Age, histological severity, number of viral types, area and location of cervical lesions were recorded. The correlation between viral load and influencing factors was analysed using univariate and multivariate analysis.
HR-HPV load was positively correlated with age, histological severity, multiple HPV types and area of cervical lesions (P < 0.05). Viral load with combination of endo- and ectocervical sampling was significantly higher than simple endocervical sampling (P < 0.001). Multivariate analysis showed that age, multiple HPV types and area of cervical lesions were independent factors for HR-HPV load with combination of endo- and ectocervical sampling (P < 0.05). However, only age and area of cervical lesions were independent factors for viral load with simple endocervical sampling (P < 0.05). No significant association was found between viral load and lesion severity in multivariate analysis (P > 0.05).
HR-HPV load is influenced by age, histological severity, multiple viral types, area of cervical lesion and sampling methods. Age and area of cervical lesions are independent factors for viral load.

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Received 15 Dec, 2020
On 15 Dec, 2020
Invitations sent on 09 Dec, 2020
On 09 Dec, 2020
On 18 Nov, 2020
On 18 Nov, 2020
On 18 Nov, 2020
On 27 Oct, 2020
Received 26 Oct, 2020
Received 08 Oct, 2020
On 04 Oct, 2020
On 01 Oct, 2020
On 28 Sep, 2020
Invitations sent on 28 Sep, 2020
On 27 Sep, 2020
On 27 Sep, 2020
Posted 14 May, 2020
On 25 Aug, 2020
Received 18 Jul, 2020
On 06 Jul, 2020
On 05 Jul, 2020
On 04 Jul, 2020
Invitations sent on 01 Jun, 2020
On 13 May, 2020
On 12 May, 2020
On 09 May, 2020
On 06 May, 2020
High-risk human papillomavirus (HR-HPV) load is thought to be influenced by many factors, and relationship between viral load and degree of cervical lesion is controversial. This study was to explore possible influencing factors of HR-HPV viral load in uterine cervix.
605 women who needed colposcopic evaluation for abnormal cervical screening in Affiliated Hospital of Weifang Medical University, China, between November 2017 and September 2018 were enrolled. Cervical specimens were collected from endo- and ectocervix separately using two different cervical brushes. Hybrid Capture II test was used to measure HR-HPV load. Age, histological severity, number of viral types, area and location of cervical lesions were recorded. The correlation between viral load and influencing factors was analysed using univariate and multivariate analysis.
HR-HPV load was positively correlated with age, histological severity, multiple HPV types and area of cervical lesions (P < 0.05). Viral load with combination of endo- and ectocervical sampling was significantly higher than simple endocervical sampling (P < 0.001). Multivariate analysis showed that age, multiple HPV types and area of cervical lesions were independent factors for HR-HPV load with combination of endo- and ectocervical sampling (P < 0.05). However, only age and area of cervical lesions were independent factors for viral load with simple endocervical sampling (P < 0.05). No significant association was found between viral load and lesion severity in multivariate analysis (P > 0.05).
HR-HPV load is influenced by age, histological severity, multiple viral types, area of cervical lesion and sampling methods. Age and area of cervical lesions are independent factors for viral load.

Figure 1
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