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Risk of CIN2+ following a diagnosis of genital warts: a nationwide cohort study

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@article{fce86f223e2b493695d106ccc16e8626,
title = "Risk of CIN2+ following a diagnosis of genital warts: a nationwide cohort study",
abstract = "OBJECTIVES: Individuals with genital warts may be particularly susceptible to human papillomavirus since they have failed to clear the virus. Consequently, women with genital warts could be at increased risk of cervical dysplasia. In this cohort study we aimed to compare the incidence of cervical intraepithelial neoplasia grade 2 or worse (CIN2+) in women with a diagnosis of genital warts with that of the general female population without genital warts.METHODS: Using the Danish nationwide population-based health data registers, we identified women between 15 and 45 years and followed them for diagnoses of CIN2+ from 1995 to 2006. Genital wart diagnoses were recorded from birth, and Cox regression with attained age as underlying scale was used to estimate age-dependent HRs for the risk of CIN2+ with genital warts as a time-varying exposure.RESULTS: Among 918 609 women without genital warts and 32 218 women with genital warts, 30 209 and 1533 women, respectively, had a subsequent diagnosis of CIN2+. A significantly higher risk of CIN2+ was found among women with genital warts relative to those without (HR, 2.43; 95{\%} CI 2.30 to 2.56). Treatment-resistant genital warts posed a significantly higher risk of CIN2+ than did transient genital warts (HR, 1.20; 95{\%} CI 1.01 to 1.43). The risks remained elevated more than 4 years after the genital wart diagnosis.CONCLUSION: Clinicians should ensure that women with genital warts are screened for cervical cancer after the genital wart diagnosis and that they continue to be screened on time.",
author = "Maria Blomberg and Christian Dehlendorff and Kjaer, {Susanne K}",
note = "{\circledC} Author(s) (or their employer(s)) 2019. No commercial re-use. See rights and permissions. Published by BMJ.",
year = "2019",
month = "12",
doi = "10.1136/sextrans-2019-054008",
language = "English",
volume = "95",
pages = "614--618",
journal = "Sexually Transmitted Infections",
issn = "1368-4973",
publisher = "B M J Group",
number = "8",

}

RIS

TY - JOUR

T1 - Risk of CIN2+ following a diagnosis of genital warts

T2 - a nationwide cohort study

AU - Blomberg, Maria

AU - Dehlendorff, Christian

AU - Kjaer, Susanne K

N1 - © Author(s) (or their employer(s)) 2019. No commercial re-use. See rights and permissions. Published by BMJ.

PY - 2019/12

Y1 - 2019/12

N2 - OBJECTIVES: Individuals with genital warts may be particularly susceptible to human papillomavirus since they have failed to clear the virus. Consequently, women with genital warts could be at increased risk of cervical dysplasia. In this cohort study we aimed to compare the incidence of cervical intraepithelial neoplasia grade 2 or worse (CIN2+) in women with a diagnosis of genital warts with that of the general female population without genital warts.METHODS: Using the Danish nationwide population-based health data registers, we identified women between 15 and 45 years and followed them for diagnoses of CIN2+ from 1995 to 2006. Genital wart diagnoses were recorded from birth, and Cox regression with attained age as underlying scale was used to estimate age-dependent HRs for the risk of CIN2+ with genital warts as a time-varying exposure.RESULTS: Among 918 609 women without genital warts and 32 218 women with genital warts, 30 209 and 1533 women, respectively, had a subsequent diagnosis of CIN2+. A significantly higher risk of CIN2+ was found among women with genital warts relative to those without (HR, 2.43; 95% CI 2.30 to 2.56). Treatment-resistant genital warts posed a significantly higher risk of CIN2+ than did transient genital warts (HR, 1.20; 95% CI 1.01 to 1.43). The risks remained elevated more than 4 years after the genital wart diagnosis.CONCLUSION: Clinicians should ensure that women with genital warts are screened for cervical cancer after the genital wart diagnosis and that they continue to be screened on time.

AB - OBJECTIVES: Individuals with genital warts may be particularly susceptible to human papillomavirus since they have failed to clear the virus. Consequently, women with genital warts could be at increased risk of cervical dysplasia. In this cohort study we aimed to compare the incidence of cervical intraepithelial neoplasia grade 2 or worse (CIN2+) in women with a diagnosis of genital warts with that of the general female population without genital warts.METHODS: Using the Danish nationwide population-based health data registers, we identified women between 15 and 45 years and followed them for diagnoses of CIN2+ from 1995 to 2006. Genital wart diagnoses were recorded from birth, and Cox regression with attained age as underlying scale was used to estimate age-dependent HRs for the risk of CIN2+ with genital warts as a time-varying exposure.RESULTS: Among 918 609 women without genital warts and 32 218 women with genital warts, 30 209 and 1533 women, respectively, had a subsequent diagnosis of CIN2+. A significantly higher risk of CIN2+ was found among women with genital warts relative to those without (HR, 2.43; 95% CI 2.30 to 2.56). Treatment-resistant genital warts posed a significantly higher risk of CIN2+ than did transient genital warts (HR, 1.20; 95% CI 1.01 to 1.43). The risks remained elevated more than 4 years after the genital wart diagnosis.CONCLUSION: Clinicians should ensure that women with genital warts are screened for cervical cancer after the genital wart diagnosis and that they continue to be screened on time.

U2 - 10.1136/sextrans-2019-054008

DO - 10.1136/sextrans-2019-054008

M3 - Journal article

VL - 95

SP - 614

EP - 618

JO - Sexually Transmitted Infections

JF - Sexually Transmitted Infections

SN - 1368-4973

IS - 8

ER -

ID: 58438902