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Poster display session: Breast cancer - early stage, locally advanced & metastatic, CNS tumours, Developmental therapeutics, Genitourinary tumours - prostate & non-prostate, Palliative care, Psycho-oncology, Public health policy, Sarcoma, Supportive care

2381 - Age Distribution for Different Types of Cancer in the United States (1996-2015)

Date

22 Oct 2018

Session

Poster display session: Breast cancer - early stage, locally advanced & metastatic, CNS tumours, Developmental therapeutics, Genitourinary tumours - prostate & non-prostate, Palliative care, Psycho-oncology, Public health policy, Sarcoma, Supportive care

Topics

Cancer Prevention

Tumour Site

Presenters

Mohamed Gouda

Citation

Annals of Oncology (2018) 29 (suppl_8): viii562-viii575. 10.1093/annonc/mdy297

Authors

M.A. Gouda

Author affiliations

  • Department Of Clinical Oncology, Faculty of Medicine - Menoufia University, 32511 - Shebin El Kom/EG
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Resources

Abstract 2381

Background

There has been an increasing concern about the changing incidence patterns of some types of cancers including age at diagnosis. While there is at least some evidence that some cancers currently occur at age earlier than that expected based on historical data, we still lack evidence about age trends in most types of cancers. This study aims to explore current age distributions for different types of malignancies in the United States based on data from SEER.

Methods

Data were obtained using SEER*Stat version 8.3.5, where (SEER 18 Regs Nov 2017 Submission) database was used as the data source. Only cases diagnosed between 1996-2015 with malignant behavior, known age, and microscopic confirmation were included. Data were exported using the case listing session and were analyzed using SPSS version 21.

Results

Median age at diagnosis was significantly higher in the period between 2006-2015 than in the period 1996-2005 for most types of cancers. GIT malignancies and CML, however, showed an exception with a significantly younger median age of diagnosis. The table shows age distribution as well as median age for some common types of cancers including comparison between cases in the 1996-2005 and 2006-2015 time periods.Table: 1582P

Median Age (in years)Number and Percentage of Cases in Different Age Groups (1996-2015)
< 18 years18-35 yearsears> 55 years
1996-20151996-20052006-2015N%N%N%N%
CML6566 *644761.9%23109.0%603323.6%1678165.6%
NHL67666741351.4%137924.7%6163021.1%21238972.7%
HD383739 *35018.6%1512337.3%1124227.8%1063826.3%
Lung Cancer707070116.0%2571.3%10014212.0%73199987.7%
Breast Cancer616162 *11.0%238242.3%34044133.4%65590764.3%
Bladder Cancer72727275.0%1705.6%3004710.1%26454789.3%
Gonadal Cancer63636397.1%28873.2%2642229.1%6145867.6%
Cervical and Uterine Cancer605960 *22.0%139375.7%7743531.9%15128362.3%
Colorectal Cancer6971 *67338.0%101661.5%13317119.2%55077179.3%
Stomach Cancer7071 *6936.0%19521.8%1830417.3%8527480.8%
Liver Cancer6465 *63208.2%11001.0%2386222.0%8317576.8%
Pancreatic Cancer7071 *6958.0%998.6%2213614.1%13433085.3%
*

Significantly higher median age.

Conclusions

Except for GIT malignancies and CML, cancer is still being diagnosed at higher median age. With few exceptions, patients who are over 55 years old are still constituting the vast majority of cases.

Clinical trial identification

Legal entity responsible for the study

Mohamed Alaa Gouda.

Funding

Has not received any funding.

Editorial Acknowledgement

Disclosure

The author has declared no conflicts of interest.

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