One-year survival from all cancers

What this data shows:

A measure of the number of adults diagnosed with any type of cancer in a year who are still alive one year after diagnosis.

How the data is gathered:

All adults (15–99 years) who were diagnosed with a first, primary, invasive malignancy were eligible for inclusion. Patients diagnosed with malignancy of the skin other than melanoma were excluded. Cancer of the prostate was also excluded from the index, because the widespread introduction of prostate-specific antigen (PSA) testing since the early 1990s has led to difficulty in the interpretation of survival trends

The cancer taskforce report set an ambition of achieving 75% nationally by 2020.

CCGs are assessed against this level. It is important to recognise, however, that the national ambition does not necessarily represent a ‘target’ for each CCG. We would expect to see a distribution around this national figure, although the taskforce did also set an expectation that variation between CCGs would be reduced."

When the data is shown:

Method of data analysis:

The survival index is constructed by using a weighted average of all the cancer survival estimates for each age, sex and cancer, using the population weights in each age group based on te International Classification of Survival Standard (ICSS).

More information about the data source:

One-year survival is a measure of the number of patients diagnosed with cancer in a year who are still alive one year after diagnosis. The methodology used to calculate one-year survival is the ‘classical’ or ‘cohort’ approach. All patients diagnosed in the diagnosis period are followed-up to one year later. Net survival is an estimate of the probability of survival from the cancer alone. It is defined as the ratio of the observed survival and the survival that would have been expected if the cancer patients had experienced the same background mortality by age and sex as the general population. It can be interpreted as the survival of cancer patients after taking into account the background mortality that the patients would have experienced if they had not had cancer. Net survival varies with age, sex and type of cancer and all of these factors can vary with time and between geographical areas, so the estimates are age, sex and cancer standardised to facilitate comparison.

Data Source:

Statistical Bulletin: Index of Cancer Survival for Clinical Commissioning Groups in England. Published annually (calendar years) by the Office for National Statistics (ONS).

Data Period:

2016 (indicator updated and published annually)

Further Information:

Further information on the purpose, background and construction of this indicator is at https://www.england.nhs.uk/commissioning/ccg-auth/  - indicator 122c

Technical Information:

As described in the "Things to note" section