NHS Performance Indicators : July 2000
Technical Specifications - Technical Specifications - Health Outcomes of NHS Health Care (Part 2).

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HA Level Indicators Data Table Chart

Please direct any queries on the indicator specifications to
Performance Indicator section, Rm. 4N34B, Quarry House, Quarry Hill, Leeds, LS2 7UE (Tel. 0113 2545537).
All indicators, where possible, use the 3 most recently available sets of data; e.g. HES based indicators use 1998-99, 1997-98 and 1996-97.
HLPI 6vii Breast cancer survival

Definition:

Five-year relative survival rates of women aged 15-99 who were diagnosed with breast cancer during the periods 1991-1993.

Area:

NHS success in reducing premature deaths

Rationale:

Survival rates will reflect the underlying effectiveness of treatment for them by the NHS. They reflect a different dimension of NHS performance from simply looking at cancer registrations alone.

Interpretation:

Higher indicator values reflect higher relative survival rates.

Source:

Office for National Statistics

Datayears:

Patients diagnosed during the period 1991-1993.

Numerator:

Numerator data - The observed five year survival rate of patients diagnosed with breast cancer during the periods 1991-93.

Source of numerator data - Office for National Statistics, derived from NHS regional cancer registries and the National Health Service Central Register.

Comments on numerator data - Derived from the distribution of survival time from diagnosis to death, or date of emigration or 31 December 1998, of cancer patients who were diagnosed during 1991-93 and resident in England at the time of diagnosis. The HA for each patient is defined by residence at the time of diagnosis.

All adults residents of England who were diagnosed with a first primary invasive malignant neoplasm aged 15-99 years during the period 1991-1993 were eligible for analysis. Benign and in situ tumours were excluded. Patients were excluded from the analysis as follows: aged under 15 or 100 or more years at diagnosis; duplicate registration; sex not known or incompatible with the cancer; date(s) or sequence of dates invalid; patients for which 1991-1993 diagnosis was not the first invasive malignant tumour.

Denominator:

Denominator data - The expected survival rate among the cancer patients, derived from the mortality rates of England residents (age-sex-period specific life-tables) for the period covered by the survival estimates (1991-98).

Source of denominator data - Government Actuary's Department

Comments on denominator data - This is the survival rate that would have been expected if the group had the same overall mortality rates as the general population.

Calculation:

Relative survival rate at five years after diagnosis for patients diagnosed in England during 1991-93 and followed up to 31 December 1998. Cancer patients have higher mortality than the general population but they do not all die of cancer. The relative survival rate is the ratio of the survival rate actually observed among the cancer patients and the survival that would have been expected if they had only had the same overall mortality rates as the general population. By convention, relative survival is described as a "rate", although strictly it is a ratio of two percentages.

Notes:

Currently data is only available for patients diagnosed during the period 1991-1993. Two further sets of similar indicators, for patients diagnosed during the periods 1989-91 and 1990-92, will be produced in the near future.



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HLPI 6viii Cervical cancer survival

Definition:

Five-year relative survival rates of women aged 15-99 who were diagnosed with cervical cancer during the periods 1991-1993.

Area:

NHS success in reducing premature deaths.

Rationale:

Survival rates will reflect the underlying effectiveness of treatment for them by the NHS. They reflect a different dimension of NHS performance from simply looking at cancer registrations alone.

Interpretation:

Higher indicator values reflect higher relative survival rates.

Source:

Office for National Statistics

Datayears:

Patients diagnosed during the period 1991-1993.

Numerator:

Numerator data - The observed five year survival rate of patients diagnosed with cervical cancer during the periods 1991-93.

Source of numerator data - Office for National Statistics, derived from NHS regional cancer registries and the National Health Service Central Register.

Comments on numerator data - Derived from the distribution of survival time from diagnosis to death, or date of emigration or 31 December 1998, of cancer patients who were diagnosed during 1991-93 and resident in England at the time of diagnosis. The HA for each patient is defined by residence at the time of diagnosis.

All adults residents of England who were diagnosed with a first primary invasive malignant neoplasm aged 15-99 years during the period 1991-1993 were eligible for analysis. Benign and in situ tumours were excluded. Patients were excluded from the analysis as follows: aged under 15 or 100 or more years at diagnosis; duplicate registration; sex not known or incompatible with the cancer; date(s) or sequence of dates invalid; patients for which 1991-1993 diagnosis was not the first invasive malignant tumour.

Denominator:

Denominator data - The expected survival rate among the cancer patients, derived from the mortality rates of England residents (age-sex-period specific life-tables) for the period covered by the survival estimates (1991-98).

Source of denominator data - Government Actuary's Department

Comments on denominator data - This is the survival rate that would have been expected if the group had the same overall mortality rates as the general population.

Calculation:

Relative survival rate at five years after diagnosis for patients diagnosed in England during 1991-93 and followed up to 31 December 1998. Cancer patients have higher mortality than the general population but they do not all die of cancer. The relative survival rate is the ratio of the survival rate actually observed among the cancer patients and the survival that would have been expected if they had only had the same overall mortality rates as the general population. By convention, relative survival is described as a "rate", although strictly it is a ratio of two percentages.

Notes:

Currently data is only available for patients diagnosed during the period 1991-1993. Two further sets of similar indicators, for patients diagnosed during the periods 1989-91 and 1990-92, will be produced in the near future.



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HA Level Indicators Data Table Chart

HLPI 6ix Lung cancer survival

Definition:

Five-year relative survival rates of persons aged 15-99 who were diagnosed with lung cancer during the periods 1991-1993.

Area:

NHS success in reducing premature deaths.

Rationale:

Survival rates will reflect the underlying effectiveness of treatment for them by the NHS. They reflect a different dimension of NHS performance from simply looking at cancer registrations alone.

Interpretation:

Higher indicator values reflect higher relative survival rates.

Source:

Office for National Statistics

Datayears:

Patients diagnosed during the period 1991-1993.

Numerator:

Numerator data - The observed five year survival rate of patients diagnosed with lung cancer during the periods 1991-93.

Source of numerator data - Office for National Statistics, derived from NHS regional cancer registries and the National Health Service Central Register.

Comments on numerator data - Derived from the distribution of survival time from diagnosis to death, or date of emigration or 31 December 1998, of cancer patients who were diagnosed during 1991-93 and resident in England at the time of diagnosis. The HA for each patient is defined by residence at the time of diagnosis.

All adults residents of England who were diagnosed with a first primary invasive malignant neoplasm aged 15-99 years during the period 1991-1993 were eligible for analysis. Benign and in situ tumours were excluded. Patients were excluded from the analysis as follows: aged under 15 or 100 or more years at diagnosis; duplicate registration; sex not known or incompatible with the cancer; date(s) or sequence of dates invalid; patients for which 1991-1993 diagnosis was not the first invasive malignant tumour.

Denominator:

Denominator data - The expected survival rate among the cancer patients, derived from the mortality rates of England residents (age-sex-period specific life-tables) for the period covered by the survival estimates (1991-98).

Source of denominator data - Government Actuary's Department

Comments on denominator data - This is the survival rate that would have been expected if the group had the same overall mortality rates as the general population.

Calculation:

Relative survival rate at five years after diagnosis for patients diagnosed in England during 1991-93 and followed up to 31 December 1998. Cancer patients have higher mortality than the general population but they do not all die of cancer. The relative survival rate is the ratio of the survival rate actually observed among the cancer patients and the survival that would have been expected if they had only had the same overall mortality rates as the general population. By convention, relative survival is described as a "rate", although strictly it is a ratio of two percentages.

Notes:

Currently data is only available for patients diagnosed during the period 1991-1993. Two further sets of similar indicators, for patients diagnosed during the periods 1989-91 and 1990-92, will be produced in the near future.



Back to Previous Page Contents : July 2000 Indicators Main Page
HA Level Indicators Data Table Chart

HLPI 6x Colon cancer survival

Definition:

Five-year relative survival rates of persons aged 15-99 who were diagnosed with colon cancer during the periods 1991-1993.

Area:

NHS success in reducing premature deaths.

Rationale:

Survival rates will reflect the underlying effectiveness of treatment for them by the NHS. They reflect a different dimension of NHS performance from simply looking at cancer registrations alone

Interpretation:

Higher indicator values reflect higher relative survival rates.

Source:

Office for National Statistics

Datayears:

Patients diagnosed during the period 1991-1993.

Numerator:

Numerator data - The observed five year survival rate of patients diagnosed with colon cancer during the periods 1991-93.

Source of numerator data - Office for National Statistics, derived from NHS regional cancer registries and the National Health Service Central Register.

Comments on numerator data - Derived from the distribution of survival time from diagnosis to death, or date of emigration or 31 December 1998, of cancer patients who were diagnosed during 1991-93 and resident in England at the time of diagnosis. The HA for each patient is defined by residence at the time of diagnosis.

All adults residents of England who were diagnosed with a first primary invasive malignant neoplasm aged 15-99 years during the period 1991-1993 were eligible for analysis. Benign and in situ tumours were excluded. Patients were excluded from the analysis as follows: aged under 15 or 100 or more years at diagnosis; duplicate registration; sex not known or incompatible with the cancer; date(s) or sequence of dates invalid; patients for which 1991-1993 diagnosis was not the first invasive malignant tumour.

Denominator:

Denominator data - The expected survival rate among the cancer patients, derived from the mortality rates of England residents (age-sex-period specific life-tables) for the period covered by the survival estimates (1991-98).

Source of denominator data - Government Actuary's Department

Comments on denominator data - This is the survival rate that would have been expected if the group had the same overall mortality rates as the general population.

Calculation:

Relative survival rate at five years after diagnosis for patients diagnosed in England during 1991-93 and followed up to 31 December 1998. Cancer patients have higher mortality than the general population but they do not all die of cancer. The relative survival rate is the ratio of the survival rate actually observed among the cancer patients and the survival that would have been expected if they had only had the same overall mortality rates as the general population. By convention, relative survival is described as a "rate", although strictly it is a ratio of two percentages.

Notes:

Currently data is only available for patients diagnosed during the period 1991-1993. Two further sets of similar indicators, for patients diagnosed during the periods 1989-91 and 1990-92, will be produced in the near future.



Back to Previous Page Contents : July 2000 Indicators Main Page
HA Level Indicators Data Table Chart

HLPI 6 xi Deaths in hospital following surgery (emergency admissions)

Definition:

Indirectly age & sex standardised rates of 30 day perioperative mortality following emergency admission.

Note:

CI specification



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HA Level Indicators Data Table Chart

HLPI 6 xii Deaths in hospital following surgery (non-emergency admissions)

Definition:

Indirectly age & sex standardised rates of 30 day perioperative mortality following non-emergency admission.

Note:

CI specification



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HA Level Indicators Data Table Chart

HLPI 6 xiii Deaths in hospital following a heart attack (ages 35-74)

Definition:

Indirectly age & sex standardised rates of 30 day mortality diagnosed with myocardial infarction (ICD I21 or I22) following emergency admission (ages 35-74)

Note:

CI specification



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HA Level Indicators Data Table Chart

HLPI 6 xiv Deaths in hospital following a fractured hip

Definition:

Indirectly age & sex standardised rates of deaths in hospital within 30 days of emergency admission with a hip fracture (neck of femur), for patients aged 65 and over.

Note:

CI specification


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Last updated July 2000.