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Age-Specific Trends of Invasive Cervical Cancer Incidence in British Columbia, Canada, 1971–2017 Raveinthiranathan, Nivedha; Simkin, Jonathan; Donken, Robine; Ogilvie, Gina; Smith, Laurie W.; Van Niekerk, Dirk; Lee, Marette; Woods, Ryan R.
Abstract
This study examined invasive cervical cancer (ICC) incidence trends in British Columbia (BC) by age and stage-at-diagnosis relative to World Health Organization ICC elimination targets (4 per 100,000 persons). Incident ICC cases (1971–2017) were obtained from the BC Cancer Registry. Annual age-standardized incidence rates (ASIRs) per 100,000 persons were generated using the direct method. ASIRs were examined among all ages 15+ years and eight age groups using Joinpoint Regression with the Canadian 2011 standard population. Standardized rate ratios (SRRs) compared stage II–IV (late) versus stage I (early) ASIRs by age (2010–2017). ICC ASIRs did not reach the elimination target. ASIRs declined from 18.88 to 7.08 per 100,000 persons (1971–2017). Stronger declines were observed among ages 45+ years, with the largest decline among ages 70–79 years (AAPC = −3.2%, 95% CI = −3.9% to −2.6%). Among ages 25–69 years, varying levels of attenuation in declining trends and stabilization were observed since the 1980s. SRRs indicated higher rates of late-stage ICC among ages 55+ years (SRR−55–69 years = 1.34, 95% CI = 1.08–1.71). Overall, ICC incidence declined in BC since 1971 but did not reach the elimination target. The pace of decline varied across age groups and increased with age. Continued efforts are needed to progress cervical cancer elimination among all age groups.
Item Metadata
| Title |
Age-Specific Trends of Invasive Cervical Cancer Incidence in British Columbia, Canada, 1971–2017
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| Creator | |
| Contributor | |
| Publisher |
Multidisciplinary Digital Publishing Institute
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| Date Issued |
2023-08-18
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| Description |
This study examined invasive cervical cancer (ICC) incidence trends in British Columbia (BC) by age and stage-at-diagnosis relative to World Health Organization ICC elimination targets (4 per 100,000 persons). Incident ICC cases (1971–2017) were obtained from the BC Cancer Registry. Annual age-standardized incidence rates (ASIRs) per 100,000 persons were generated using the direct method. ASIRs were examined among all ages 15+ years and eight age groups using Joinpoint Regression with the Canadian 2011 standard population. Standardized rate ratios (SRRs) compared stage II–IV (late) versus stage I (early) ASIRs by age (2010–2017). ICC ASIRs did not reach the elimination target. ASIRs declined from 18.88 to 7.08 per 100,000 persons (1971–2017). Stronger declines were observed among ages 45+ years, with the largest decline among ages 70–79 years (AAPC = −3.2%, 95% CI = −3.9% to −2.6%). Among ages 25–69 years, varying levels of attenuation in declining trends and stabilization were observed since the 1980s. SRRs indicated higher rates of late-stage ICC among ages 55+ years (SRR−55–69 years = 1.34, 95% CI = 1.08–1.71). Overall, ICC incidence declined in BC since 1971 but did not reach the elimination target. The pace of decline varied across age groups and increased with age. Continued efforts are needed to progress cervical cancer elimination among all age groups.
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| Subject | |
| Genre | |
| Type | |
| Language |
eng
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| Date Available |
2023-10-27
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| Provider |
Vancouver : University of British Columbia Library
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| Rights |
CC BY 4.0
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| DOI |
10.14288/1.0437384
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| URI | |
| Affiliation | |
| Citation |
Current Oncology 30 (8): 7692-7705 (2023)
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| Publisher DOI |
10.3390/curroncol30080557
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| Peer Review Status |
Reviewed
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| Scholarly Level |
Faculty; Researcher
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| Rights URI | |
| Aggregated Source Repository |
DSpace
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Item Media
Item Citations and Data
Rights
CC BY 4.0