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National Core Maternity Indicators: PI 15—Women having their second birth vaginally whose first birth was by caesarean section (2016)

Identifying and definitional attributes

Metadata item type:Help on this termIndicator
Indicator type:Help on this termIndicator
Common name:Help on this term

Women having their second birth vaginally whose first birth was by caesarean section.

Short name:Help on this termPI 15—Women having their second birth vaginally whose first birth was by caesarean section (2016)
METeOR identifier:Help on this term613197
Registration status:Help on this termHealth, Superseded 06/09/2018
Description:Help on this term

The proportion of women having their second birth vaginally whose first birth was by caesarean section.

Rationale:Help on this term

The indicator is used to benchmark practice for vaginal birth following caesarean section.

Indicator set:Help on this termNational Core Maternity Indicators (2016) Health, Superseded 06/09/2018

Collection and usage attributes

Computation description:Help on this term

The proportion of women having their second birth vaginally whose first birth was by caesarean section.

Computation:Help on this term

100 × (Numerator ÷ Denominator)

Numerator:Help on this term

The number of women having their second birth vaginally whose first birth was by caesarean section.

Numerator data elements:Help on this term
Data Element / Data SetFemale—parity, total pregnancies N[N]
Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use

Data source type: Administrative by-product data


Data Element / Data SetBirth event—birth method, code N
Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use

Data source type: Administrative by-product data


Data Element / Data SetFemale—caesarean section at most recent previous birth indicator, code N
Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use

Data source type: Administrative by-product data


Denominator:Help on this term

The number of women having their second birth whose first birth was by caesarean section.

Denominator data elements:Help on this term
Data Element / Data SetFemale—parity, total pregnancies N[N]
Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use

Data source type: Administrative by-product data


Data Element / Data SetFemale—caesarean section at most recent previous birth indicator, code N
Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use

Data source type: Administrative by-product data


Disaggregation:Help on this term
  • Year of birth
  • State or territory of birth
  • Hospital annual number of births
  • Hospital sector
  • Remoteness category (from mother's area of usual residence)
  • Indigenous status of mother
Disaggregation data elements:Help on this term
Data Element / Data SetPerson—Indigenous status, code N
Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use

Data source type: Administrative by-product data


Data Element / Data SetPerson—date of birth, DDMMYYYY
Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use

Data source type: Administrative by-product data


Data Element / Data SetData Element

Hospital annual number of births


Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use

Data source type: Administrative by-product data


Data Element / Data SetPerson—area of usual residence, geographical location code (ASGC 2011) NNNNN
Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use

Data source type: Administrative by-product data


Data Element / Data SetBirth event—state/territory of birth, code N
Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use

Data source type: Administrative by-product data


Data Element / Data SetData Element

Hospital sector


Data Source
AIHW National Perinatal Data Collection (NPDC)
Comments:Help on this term

Data elements are from the Perinatal national minimum data set (NMDS). Records with data that are missing, not stated or not interpretable have been excluded from the denominator.

A birth is defined as the event in which a baby comes out of the uterus after a pregnancy of at least 20 weeks gestation or weighing 400 grams or more.

Women included are those who are having a singleton for their second birth and whose first birth was by caesarean section.

Women excluded are those whose second birth is a multiple birth, those who are not having their second birth, and those who are having their second birth and whose first birth was a vaginal delivery.

Representational attributes

Representation class:Help on this termPercentage
Data type:Help on this termReal
Unit of measure:Help on this termPerson
Format:Help on this term

N[NN.N]

Data source attributes

Data sources:Help on this term
Data SourceAIHW National Perinatal Data Collection (NPDC)
Frequency
Calendar years ending 31 December each year
Data custodian

Australian Institute of Health and Welfare


Relational attributes

Related metadata references:Help on this term

Has been superseded by National Core Maternity Indicators: PI 15–Females having their second birth vaginally whose first birth was by caesarean section, 2018 Health, Superseded 19/06/2019

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