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Ischaemic Cardiovascular Disease

Basic Facts

Stage of development

Implemented

Potential or current usage

This measure has been part of the PHO Performance Programme's National Indicator Set since 1 July 2008 and is used to determine what proportion of the population estimated to have Ischaemic CVD have been diagnosed.

Brief overview of the measure

General description

This measure focuses on what proportion of the PHO population estimated to have Ischaemic Cardiovascular Disease, have been diagnosed.

Rationale for selection

Ischaemic heart disease (IHD) is the leading single cause of death in New Zealand. Identifying people with ischaemic cardiovascular disease is important to enable the regular recall and review of all people who have this disease.

Domain(s) of quality

Effectiveness, Efficiency

Application and interpretation of the measure

Stated intent of the measure

Ensuring people with Ischaemic CVD are diagnosed.

Caveats - Considerations

Estimations of people expected to have ischaemic cardiovascular disease are calculated by considering the ages, genders and ethnicities of PHO populations and applying ischaemic cardiovascular disease rates from the National Cardiovascular Disease Prevalence Data Model. When applying this model to small populations there may be inaccuracies. Currently the National Cardiovascular Disease Prevalence Data Model appears to be underestimating the number of people with ischaemic cardiovascular disease in many regions, and hence some PHOs are achieving a ischaemic cardiovascular disease detection rate of greater than 100%. Level of health care delivery/setting This measure is currently reported by the PHO Performance Programme to PHO level although use of this measure to monitor practice and patient level performance is also possible.

Target population

All people aged 30 to 79 years All people aged 30 to 79 years who are within the high need population (identified as Māori, Pacific Island and/or Decile 9 or 10)

Stratification by vulnerable populations

The PHO Performance Programme currently uses this measure to monitor at both a total PHO enrolled population level (all PHO enrolled eligible patients) and a high need PHO enrolled population level (whereby high need is identified as Māori, Pacific Island and/or Decile 9 or 10)

Associated incentives

This measure is currently funded through the PHO Performance Programme both at a total population level and a high need level.

Calculation of the measure

Output of calculation

Percentage of patients enrolled in a PHO that have been diagnosed with Ischaemic Cardiovascular Disease (taking into consideration the number of people within the PHO estimated to have Ischaemic Cardiovascular Disease).

Numerator description

Number of enrolled people in the PHO with Ischaemic Cardiovascular Disease coded.

Denominator description

Number of enrolled people in the PHO estimated to have Ischaemic Cardiovascular Disease using CVD Prevalence Estimate Data.

Criteria/standard for optimal performance

Every practice within a PHO should have a process in place for identifying and coding patients diagnosed with Ischaemic Cardiovascular Disease. The PHO Performance Programme goal is: 90% or more of the PHO’s population estimated to have Ischaemic Cardiovascular Disease have been identified.

Data source

PHO Clinical Performance Indicator Report and CVD Prevalence Estimate Data provided by the Ministry of Health.

Method of extraction

The link below will take you to the document that defines how the measure is calculated - see 'Ischaemic Cardiovascular Disease' section of the Indicator Definitions for PHOs document. http://www.dhbnz.org.nz/Site/SIG/pho/Operational-Documents.aspx

Appraisal of the measure

Development approach

This measure was developed by the PHO Performance Programme (which consists of an Advisory Group (refer to following link for current membership list: http://www.dhbnz.org.nz/Site/SIG/pho/PHO/Membership-List.aspx), a Governance Group (refer to following link for current membership list: http://www.dhbnz.org.nz/Site/SIG/pho/PHO/Governance-Group-Membership-List.aspx), and support team.

Other items

Owner details

Reference number

846

Date of entry to library

2012-05-31 12:57:51

Owner (Organisation name)

PHO Performance Programme

Owner (Email contact)

phoperformanceprogramme@dhbnz.org.nz

Creator (Organisation name)

PHO Performance Programme

Creator (Email contact)