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. 2014 Jan 14:348:f7361.
doi: 10.1136/bmj.f7361.

Effect of ageing on cervical or vaginal cancer in Swedish women previously treated for cervical intraepithelial neoplasia grade 3: population based cohort study of long term incidence and mortality

Björn Strander  1 , Jonas Hällgren, Pär Sparén
Affiliations

Effect of ageing on cervical or vaginal cancer in Swedish women previously treated for cervical intraepithelial neoplasia grade 3: population based cohort study of long term incidence and mortality

Björn Strander et al. BMJ. .

Abstract (V体育2025版)

Objective: To determine factors influencing long term risks for acquiring or dying from invasive cervical or vaginal cancer in women previously treated for cervical intraepithelial neoplasia grade 3 (CIN3) VSports手机版. .

Design: Population based cohort study conducted in 1958-2008, followed up until 2009 in the Swedish Cancer Registry and Swedish Cause of Death Register, linked to the Swedish Population Register V体育安卓版. Standardised incidence and mortality ratios were calculated for the risk of acquiring or dying from vaginal or cervical cancer, with the general female population in Sweden as reference. Relative risks in multivariable regression models were also calculated, adjusting for follow-up duration, treatment period, and age at CIN3 treatment or attained age. .

Setting: Entire female population of Sweden V体育ios版. .

Participants: 150,883 women in Sweden diagnosed and treated with CIN3 and followed up for invasive cervical or vaginal cancer, and related mortality VSports最新版本. The cohort comprised 3,148,222 woman years. .

Main outcome measures: Standardised incidence and mortality ratios, stratified by period for treatment. Relative standardised incidence ratios and standardised mortality ratios for age at acquiring or dying from cervical or vaginal cancer (attained age), adjusted for preset variables V体育平台登录. .

Results: Women previously diagnosed with CIN3 had an increased risk of dying from invasive cervical or vaginal cancer, compared with the general female population (standardised mortality ratio 2. 35, 95% confidence interval 2. 11 to 2. 61) VSports注册入口. After age 60 years, these women had an accelerated increased risk of acquiring invasive cancer; a similar steep increase in mortality risk was seen after age 70. Regression analyses indicated that the increase in risk over time is highly attributable to ageing. .

Conclusions: Women previously treated for CIN3 are at increased risk of developing and dying from cervical or vaginal cancer, compared with the general female population V体育官网入口. The risk accelerates above age 60 years, suggesting a need for lifelong surveillance of these women. .

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Conflict of interest statement

Competing interests: All authors have completed the ICMJE uniform disclosure form at www. icmje VSports在线直播. org/coi_disclosure. pdf and declare: support from the Halland County Scientific Board and the Swedish Cancer Society for the submitted work; no financial relationships with any organisations that might have an interest in the submitted work in the previous three years; no other relationships or activities that could appear to have influenced the submitted work.

VSports手机版 - Figures

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Fig 1 Incidence of cervical or vaginal cancer per 100 000 person years as a function of attained age. Patients=women diagnosed with CIN3; population=general Swedish female population
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Fig 2 Cause specific mortality from cervical or vaginal cancer per 100 000 person years as a function of attained age. Patients=women diagnosed with CIN3; population=general Swedish female population
See this image and copyright information in PMC

Comment in

References (VSports最新版本)

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