Stomach cancer incidence statistics

Cases

New cases of stomach cancer, 2013, UK

 

Proportion of all cases

Percentage stomach cancer is of total cancer cases, 2013, UK

 

Age

Age that around half of stomach cancer cases are diagnosed, 2011-2013, UK

 

Trend since 1970s

Stomach cancer incidence rates have decreased since the late 1970s, GB

 

Stomach cancer is the 16th most common cancer in the UK (2013), accounting for 2% of all new cases. In males it is the 13th most common cancer (3% of the male total), while it is the 15th in females (1% of all new cases).[1-4]

In 2013, there were 7,067 new cases of stomach cancer in the UK: 4,564 (65%) in males and 2,503 (35%) in females, giving a male:female ratio of around 18:10.[1-4] The crude incidence rate Open a glossary item shows that there are 15 new stomach cancer cases for every 100,000 males in the UK, and 8 for every 100,000 females.

The European age-standardised incidence rate Open a glossary item (AS) is significantly lower for males in England compared with Wales, Scotland and Northern Ireland. For females, rates are significantly lower in England compared with Scotland.[1-4] Rates do not differ significantly between the other constituent countries of the UK for either sex.

Stomach Cancer (C16), Number of New Cases, Crude and European Age-Standardised (AS) Incidence Rates per 100,000 Population, UK, 2013

England Wales Scotland Northern Ireland UK
Male Cases 3,674 296 435 159 4,564
Crude Rate 13.8 19.5 16.8 17.7 14.5
AS Rate 17.3 21.7 20.9 24.3 18.0
AS Rate - 95% LCL 16.7 19.2 18.9 20.5 17.5
AS Rate - 95% UCL 17.8 24.1 22.9 28.0 18.5
Female Cases 1,967 165 297 74 2,503
Crude Rate 7.2 10.5 10.8 7.9 7.7
AS Rate 7.3 9.5 10.6 9.0 7.8
AS Rate - 95% LCL 7.0 8.1 9.4 6.9 7.5
AS Rate - 95% UCL 7.7 11.0 11.8 11.0 8.1
Persons Cases 5,641 461 732 233 7,067
Crude Rate 10.5 15.0 13.7 12.7 11.0
AS Rate 11.7 15.2 15.0 15.7 12.3
AS Rate - 95% LCL 11.4 13.8 13.9 13.7 12.0
AS Rate - 95% UCL 12.0 16.5 16.1 17.7 12.6

95% LCL and 95% UCL are the 95% lower and upper confidence limits Open a glossary item around the AS rate Open a glossary item

ASR calculated with ESP2013. Not comparable with ASRs calculated with ESP1976.

Stomach cancer incidence rates throughout the UK vary significantly between cancer networks, with higher than average rates in the north of England and the West Midlands, Wales, Northern Ireland and parts of Scotland.[5,6]

References

  1. Data were provided by the Office for National Statistics on request, July 2015. Similar data can be found here: http://www.ons.gov.uk/ons/rel/vsob1/cancer-statistics-registrations--england--series-mb1-/index.html.
  2. Data were provided by ISD Scotland on request, April 2015. Similar data can be found here: http://www.isdscotland.org/Health-Topics/Cancer/Publications/index.asp.
  3. Data were provided by the Welsh Cancer Intelligence and Surveillance Unit on request, February 2015. Similar data can be found here: http://www.wales.nhs.uk/sites3/page.cfm?orgid=242&pid=59080.
  4. Data were provided by the Northern Ireland Cancer Registry on request, March 2015. Similar data can be found here: http://www.qub.ac.uk/research-centres/nicr/.
  5. NCIN. Cancer Incidence and Mortality by Cancer Network, UK, 2005. London: NCIN; 2008.
  6. NCIN. Cancer e-Atlas. Accessed January 2014
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Stomach cancer incidence is strongly related to age, with the highest incidence rates being in older males and females. In the UK in 2011-2013, on average each year around half (51%) of cases were diagnosed in people aged 75 and over.[1-4]

Age-specific incidence rates rise sharply from around age 60-64, peak in the 85-89 age group, and subsequently drop in those aged 90+. Incidence rates are higher for males than for females in those aged 40-44 and over (in the younger age groups the sex difference is not significant) and this gap is widest at the ages of 65 to 69, when the male:female incidence ratio of age-specific rates (to account for the different proportions of males to females in each age group) is around 27:10.[1-4]

Stomach Cancer (C16), Average Number of New Cases per Year and Age-Specific Incidence Rates, UK, 2011-2013

References

  1. Data were provided by the Office for National Statistics on request, July 2015. Similar data can be found here: http://www.ons.gov.uk/ons/rel/vsob1/cancer-statistics-registrations--england--series-mb1-/index.html.
  2. Data were provided by ISD Scotland on request, April 2015. Similar data can be found here: http://www.isdscotland.org/Health-Topics/Cancer/Publications/index.asp.
  3. Data were provided by the Welsh Cancer Intelligence and Surveillance Unit on request, February 2015. Similar data can be found here: http://www.wales.nhs.uk/sites3/page.cfm?orgid=242&pid=59080.
  4. Data were provided by the Northern Ireland Cancer Registry on request, March 2015. Similar data can be found here: http://www.qub.ac.uk/research-centres/nicr/.
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Stomach cancer incidence rates have decreased by 62% in Great Britain since the late 1970s.[1-3] This includes a similar decrease for females and males.

For males, European age-standardised (AS) Open a glossary item incidence rates decreased by 62% between 1979-1981 and 2011-2013. The decline is similar for females, with rates decreasing by 66% between 1979-1981 and 2011-2013.

Stomach Cancer (C16), European Age-Standardised Incidence Rates, Great Britain, 1979-2013

ASR calculated with ESP2013. Not comparable with ASRs calculated with ESP1976.

Over the last decade in the UK (between 2002-2004 and 2011-2013), stomach cancer AS incidence rates have decreased by 27% for males and females combined, with similar decreased for males (29%) and females (27%).[1-4]

Stomach Cancer (C16), European Age-Standardised Incidence Rates, UK, 1993-2013

ASR calculated with ESP2013. Not comparable with ASRs calculated with ESP1976.

Stomach cancer incidence trends probably reflect changing prevalence of risk factors, with recent incidence trends influenced by risk factor prevalence in years past.

Stomach cancer incidence rates have decreased overall for all of the broad age groups in Great Britain since the late 1970s.[1-3] The largest decreases have been in people aged 50-59 and 60-69, with European AS incidence rates decreasing by 67% and 69%, respectively, between 1979-1981 and 2011-2013. The smallest change has been in people aged 25-49, with European AS incidence rates falling by 50% between 1979-1981 and 2011-2013.[1-3]

Stomach Cancer (C16), European Age-Standardised Incidence Rates, Persons, by Age, Great Britain, 1979-2013

ASR calculated with ESP2013. Not comparable with ASRs calculated with ESP1976.

References

  1. Data were provided by the Office for National Statistics on request, July 2015. Similar data can be found here: http://www.ons.gov.uk/ons/rel/vsob1/cancer-statistics-registrations--england--series-mb1-/index.html.
  2. Data were provided by ISD Scotland on request, April 2015. Similar data can be found here: http://www.isdscotland.org/Health-Topics/Cancer/Publications/index.asp.
  3. Data were provided by the Welsh Cancer Intelligence and Surveillance Unit on request, February 2015. Similar data can be found here: http://www.wales.nhs.uk/sites3/page.cfm?orgid=242&pid=59080.
  4. Data were provided by the Northern Ireland Cancer Registry on request, March 2015. Similar data can be found here: http://www.qub.ac.uk/research-centres/nicr/.
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The lifetime risk of developing stomach cancer is 1 in 67 for men and around 1 in 135 for women, in 2012 in the UK.[1]

The lifetime risk for stomach cancer has been calculated to account for the possibility that someone can have more than one diagnosis of stomach cancer over the course of their lifetime (‘Adjusted for Multiple Primaries’ (AMP) method).[2]

References

  1. Lifetime risk estimates calculated by the Statistical Information Team at Cancer Research UK. Based on data provided by the Office of National Statistics, ISD Scotland, the Welsh Cancer Intelligence and Surveillance Unit and the Northern Ireland Cancer Registry, on request, December 2013 to July 2014.
  2. Sasieni PD, Shelton J, Ormiston-Smith N, et al. What is the lifetime risk of developing cancer?: The effect of adjusting for multiple primaries. Br J Cancer, 2011. 105(3): p. 460-5.
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The largest proportion of stomach cancer cases occur in the cardia, with much smaller proportions in the pyloric antrum and body of the stomach (2010-2012).[1-4]

The proportion of cases in the cardia is higher in males (34.0%) than females (19.7%) and there are no marked sex differences in other parts of the stomach.[1-4]

A large proportion of cases did not have the specific part of the stomach recorded in cancer registry data, or overlapped more than one part.[1-4]

Stomach Cancer (C16), Percentage Distribution of Cases Diagnosed By Anatomical Site, UK, 2010-2012

Cases and percentages may not sum due to rounding

References

  1. Data were provided by the Office for National Statistics on request, July 2014. Similar data can be found here: http://www.ons.gov.uk/ons/rel/vsob1/cancer-statistics-registrations--england--series-mb1-/index.html.
  2. Data were provided by ISD Scotland on request, April 2014. Similar data can be found here: http://www.isdscotland.org/Health-Topics/Cancer/Publications/index.asp.
  3. Data were provided by the Welsh Cancer Intelligence and Surveillance Unit on request, April 2014. Similar data can be found here: http://www.wales.nhs.uk/sites3/page.cfm?orgid=242&pid=59080.
  4. Data were provided by the Northern Ireland Cancer Registry on request, June 2014. Similar data can be found here: http://www.qub.ac.uk/research-centres/nicr/CancerInformation/.
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Most stomach cancers (around 95%) are adenocarcinomas Open a glossary item which may be further classified into 'intestinal' and 'diffuse' type.

'Intestinal' adenocarcinomas are associated with a history of atrophic gastritis, have better survival and are associated with older patients, whereas the 'diffuse' adenocarcinomas are more common, with poorer survival and occur more frequently in women and people with blood group 'A'.[1]

Other stomach malignant histologies include lymphomas and leiomyosarcomas.

References

  1. Souhami R, Tobias J. Cancer and its management. Fifth Edition. Oxford: Blackwell Science Ltd. 2005.
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Stomach cancer is the sixth most common cancer in Europe, with more than 139,000 new cases diagnosed in 2012 (4% of the total). In Europe (2012), the highest World age-standardised Open a glossary item incidence rates for stomach cancer are in Belarus for men and Albania for women; the lowest rates are in Sweden for both men and women. UK stomach cancer incidence rates are estimated to be the fifth lowest in males in Europe, and fourth lowest in females.[1] These data are broadly in line with Europe-specific data available elsewhere.[2]

Stomach cancer is the fifth most common cancer worldwide, with more than 951,000 new cases diagnosed in 2012 (7% of the total). Stomach cancer incidence rates are highest in Eastern Asia and lowest in Western Africa, but this partly reflects varying data quality worldwide.[1]

References

  1. Ferlay J, Soerjomataram I, Ervik M, et al. GLOBOCAN 2012 v1.0, Cancer Incidence and Mortality Worldwide: IARC CancerBase No. 11 [Internet]. Lyon, France: International Agency for Research on Cancer; 2013. Available from: http://globocan.iarc.fr, accessed December 2013.
  2. Ferlay J, Steliarova-Foucher E, Lortet-Tieulent J, et al.Cancer incidence and mortality patterns in Europe: Estimates for 40 countries in 2012. European Journal of Cancer (2013) 49, 1374-1403.
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There is evidence for an association between stomach cancer incidence and deprivation for both males and females in England.[1] England-wide data for 2006-2010 show European age-standardised Open a glossary item incidence rates are 86% higher for males living in the most deprived areas compared with the least deprived, and 93% higher for females.[1]

Stomach Cancer (C16), European Age-Standardised Incidence Rates by Deprivation Quintile, England, 2006-2010

The estimated deprivation gradient in stomach cancer incidence between people living in the most and least deprived areas in England has narrowed for males in the period 1996-2010, but has not changed for females.[1] It has been estimated that there would have been around 1,400 fewer cancer cases each year in England during 2006-2010 if all people experienced the same incidence rates as the least deprived.[1

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Age-standardised rates for White males with stomach cancer range from 14.1 to 14.7 per 100,000. Rates for Asian males are significantly lower, ranging from 5.2 to 8.5 per 100,000 whereas rates for Black males are significantly higher, ranging from 16.1 to 25.6 per 100,000. For females there is a similar pattern - the age-standardised rates for White females range from 5.5 to 5.8 per 100,000, while rates for Asian females are significantly lower, ranging from 2.7 to 5.0 per 100,000, and the rates for Black females are significantly higher ranging from 6.5 to 11.9 per 100,000.[1]

Ranges are given because of the analysis methodology used to account for missing and unknown data. For stomach cancer, 33,789 cases were identified; 18% had no known ethnicity.

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In the UK around 13,400 people were still alive at the end of 2006, up to ten years after being diagnosed with stomach cancer.[1]

Stomach Cancer (C16), One, Five and Ten Year Cancer Prevalence, UK, 31st December 2006

1 Year Prevalence 5 Year Prevalence 10 Year Prevalence
Male 2,608 6,160 8,587
Female 1,337 3,322 4,765
Persons 3,945 9,482 13,352

Worldwide, it is estimated that there were around 1.60 million men and women still alive in 2008, up to five years after their diagnosis.[2]

References

  1. National Cancer Intelligence Network (NCIN). One, Five and Ten Year Cancer Prevalence. London: NCIN; 2010.
  2. Ferlay J, Soerjomataram I, Ervik M, et al. GLOBOCAN 2012 v1.0, Cancer Incidence and Mortality Worldwide: IARC CancerBase No. 11 [Internet]. Lyon, France: International Agency for Research on Cancer; 2013. Available from: http://globocan.iarc.fr, accessed December 2013.
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Cancer Statistics Explained

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