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Colorectal Cancer

Colorectal Cancer

8 April 2019

Introduction

Colorectal cancer is the commonest cancer in Hong Kong. It accounted for 17.3% of all new cancer cases in 2016.

Incidence

There were 5437 new cases of colorectal cancer in 2016, with 3169 cases of males and 2268 cases of females. The male to female ratio was about 1.4 to 1. The crude incidence rates were 93.9 for male and 57.3 for female per 100000 population of respective sex. The age-standardised incidence rates were 50.6 for male and 31.4 for female per 100000 standard population. 

Trend of incidence

The age-standardised incidence rate for both sexes had an upward trend between 1983 and 2016.

 

Number of new cases and crude incidence rate of colorectal cancer by sex, 1983-2000 (View)

Number of new cases and crude incidence rate of colorectal cancer by sex, 2001-2016 (View)

Age-standardised incidence rate* of colorectal cancer by sex, 1983-2016

Age-standardised incidence rate of colorectal cancer by sex, 1983-2016

 

Notes:

*

Age-standardised incidence rates are compiled based on the world standard population specified in GPE Discussion Paper Series: No.31, EIP/GPE/EBD, World Health Organization, 2001.

 

 

Data in the above charts from 1996 onwards are compiled based on the population estimates under the "resident population" approach instead of the "extended de facto" approach.

 

 

Classification of diseases and causes of death is based on the International Statistical Classification of Diseases and Related Health Problems (ICD) 10th Revision from 2001 onwards. Figures from 2001 onwards may not be comparable with figures for previous years which were compiled based on the ICD 9th Revision.

Sources:

 

Census and Statistics Department
Department of Health
Hong Kong Cancer Registry, Hospital Authority

 

Mortality

Colorectal cancer is the second leading cause of cancer deaths in Hong Kong. In 2017, 2138 deaths were caused by colorectal cancer, accounting for 14.9% of all cancer deaths. The crude death rates were 37.6 for male and 21.6 for female per 100000 population of respective sex. The age-standardised death rates were 18.5 for male and 9.8 for female per 100000 standard population. 

Trend of mortality

The age-standardised death rate for both sexes had no significant trend between 1981 and 2017. 

 
Number of registered deaths and crude death rate of colorectal cancer by sex, 1981-2000 (View)

Number of registered deaths and crude death rate of colorectal cancer by sex, 2001-2017 (View)

Age-standardised death rate* of colorectal cancer by sex, 1981-2017

Age-standardised death rate of colorectal cancer by sex, 1981-2017

Notes:

*

Age-standardised death rates are compiled based on the world standard population specified in GPE Discussion Paper Series: No.31, EIP/GPE/EBD, World Health Organization, 2001.

 

 

Data in the above charts from 1996 onwards are compiled based on the population estimates under the "resident population" approach instead of the "extended de facto" approach.

 

 

Classification of diseases and causes of death is based on the International Statistical Classification of Diseases and Related Health Problems (ICD) 10th Revision from 2001 onwards. Figures from 2001 onwards may not be comparable with figures for previous years which were compiled based on the ICD 9th Revision.

Sources:

 

Census and Statistics Department
Department of Health

Colorectal cancer corresponds to codes 153-154 in ICD-9 and C18-C21 in ICD-10.


Related information

Information for Health Professionals – Recommendations on Prevention and Screening for Colorectal Cancer

Cancer Prevention Series 3 – Colorectal Cancer Prevention and Screening

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For more information regarding prevention of colorectal cancer, please visit www.colonscreen.gov.hk.

You may also call our 24-hour Health Education Hotline of the Department of Health 2833 0111 for more health information. Please click here to view the full list of health topics.